Journals of the
Lewis & Clark Expedition

This calendar does not account for the many scattered entries in the journals and manuscripts that are not in proper sequence. Such misplaced entries will be noted at the point of their placement in the edition. The heading for each item dates the journals according to major writings; significant contents are then noted sequentially. The material is arranged by the final dated entry, thus some beginning dates will appear to be out of order. Exceptions to this arrangement will include material that is a first or rough draft, which will precede the regular journal. Thus, Clark's Field Notes will precede the finished journals (i.e., Codices A and B) that cover early portions of the time period; and the Elkskin-bound Journal will come before Codices G, H, and I. Coues's arrangement of the journal fragments (Codices Aa, Ba, Fa, Fb, Fc, Fd, Fe, Ia, La, and Lb) has been maintained, although such ordering does not fit this scheme. Other journals (such as Codices O, P, Q, and R) do not follow Coues's ordering, while Codex S (drafts of letters) has been dropped because it is not journal material. Codex T is not listed here separately but is included with other materials with which it belongs (see First Draft, January 6–10, 1806). Undated tabulated and collated material (e.g. Estimate of Eastern Indians) was probably put together by the captains at stopping places like Fort Mandan and Fort Clatsop and such undated items will follow regular journals covering those periods.

The size given for the documents is the page or paper size, with the larger dimension always given first. The covers of notebooks are usually one-eight to one-quarter inch larger. The total given for notebook pages occasionally varies from Coues's count due to his numbering of flyleaves on which the captains had written and his counting of missing sheets when they were apparent. The enlisted men's journals are listed in the order in which they will appear in this edition.

• Eastern Journal, August 30–December 12, 1803, Lewis, Clark, and Biddle
      PPAmP; Quaife (MLJO), 31–76; Biddle family's deposit; brown, leather-covered book, 256 pages (10 sheets apparently cut out; unpaged); 8" x 4¾"; includes Lewis's journalizing, August 30–September 18, 1803, about 30 pages left blank by Lewis that were filled with notes by Biddle in 1810, Lewis's journalizing November 11–28, 1803, Clark's journalizing, November 28–December 12, 1803, and Biddle's notes for the remainder of the notebook; for Biddle's notes, see Jackson (LLC), 2:497–545; illustrations of sandbars.
• Field Notes (Dubois Journal), December 13, 1803–May 14, 1804, Clark
      CtY; Osgood (FN), 3–38; Beinecke's deposit; 12 individual sheets of letter paper of various sizes; only journal account of winter at Camp Dubois; gap from February 10 to March 20, 1804, while Clark away from camp; illustrations of keel boat and pirogue; maps of confluence of Ohio and Mississippi rivers and confluence of Mississippi and Missouri rivers.
• Field Notes (River Journal), May 14, 1804–April 3, 1805, Clark (and occasionally Lewis)
      CtY; Osgood (FN), 41–188; Beinecke's deposit; 55 individual sheets of letter paper of various sizes; from November 6, 1804, to April 3, 1805 the entries are less frequent and somewhat briefer; illustrations of manitou, manitou-buffalo-Indian together, boy's profile, horse, and man with a pipe; maps of area about Little Osage Women's Creek, area about Osage River, from Osage River to the two Charitons, area about Kansas River with conjectural extensions, area of Bonhomme Island, area near present Fort Randall dam, Big Bend of Missouri River, and area below Cannonball River with country to the east to the Red River.
• Codex A, May 13–August 14, 1804, Clark
      PPAmP; Thwaites (LC), 1:3, 7, 16–110, 6:3–5; Biddle's deposit No. 1; Clark's journal No. 1; marble-covered book, 184 pages; 6½" x 3¾"; includes Clark's table of distances from the mouth of the Missouri to "Big Sioux River" (front flyleaf), Clark's note on country about mouth of Missouri River (pp. 2–3), Clark's journalizing, May 13–August 14, 1804 (pp. 3–179), some latitude readings (pp. 180–81), and astronomical observations (pp. 182–83); illustration of a manitou (p. 34).
• Codex Aa, May 20 and 15, 1804, Lewis
      PPAmP; Thwaites (LC), 1:17, 22–25; Biddle's deposit; no number; 8 pages from one of the red books; 7⅞" x 4 4/8"; "Part of No. 1 [i.e., Codex A]" (p. 8) in unknown handwriting (perhaps Clark).
• Codex B, August 15–October 3, 1804, Clark
      PPAmP: Thwaites (LC), 1:110–78, 6:136; Biddle's deposit No. 2; Clark's journal No. 2; marble-covered book, 180 pages; 6½" x 3¾"; brief note on Corvus bird (p. 2) and money due party members, September 4, 1804 (inside back cover).
• Codex Ba, September 16 and 17, 1804, Lewis
      PPAmP; Thwaites (LC), 1:150–51, 152–54; Biddle's deposit, no number; 8 pages from one of the red books; 7⅞" x 4⅞"; "This a part of No. 2 [i.e., Codex B]" (p. 8) in unknown handwriting (perhaps Clark).
• Codex R, May 10–November 17, 1804, Lewis
      PPAmP; Thwaites (LC), 6:135–36, 141–51, 164; Jefferson's deposit from Barton's estate); marble-covered book, 164 pages; 6½" x 3¾"; includes Lewis's botanical register, May 10–November 17, 1804 (pp. 4–49), Lewis's zoological note, December 18, 1805 (pp. 50–53), copies of natural history material by an unknown person from other journals, February 18–March 11, 1806 (pp. 59–162), and Lewis's note on "Lava," September 20, 1804 (p. 163); illustration of "convolvalist" leaf (p. 37).
• Codex C, October 1, 1804–April 7, 1805, Clark (and occasionally Lewis)
      PPAmP; Thwaites (LC), 1:4, 7, 176–286, 6:56–60, 165–88, 268, 269, 270–79; Biddle's deposit No. 3; Clark's journal No. 3; brown, leather-covered notebook, 276 pages (total varies from page numbers); 8" x 4¾"; includes Clark's journalizing, October 1, 1804–February 2, 1805 (pp. 2–160), Lewis's journalizing, February 3–13, 1805, while Clark was absent (pp. 160–74), Clark's journalizing, February 3–March 21, 1805 (pp. 174–98), Lewis's entry for March 16, 1805 (pp. 199–202), Clark's journalizing, March 22–April 7, 1805 (pp. 202–14), Clark's weather diary, January 1, 1804–April 7, 1805 (pp. 202–14), Clark's weather diary, January 1, 1804–April 7, 1805 (gap from May 15 to September 19, 1804) (pp. 216–46, reading backward), Clark's "The Distances of Sundary places with the Latiduds anexed" (p. 247), Clark's "A Summary Statement of the Rivers, Creeks and most remarkable places . . . in the year 1804 . . . [with additional names from Indian information, 1804–1805]" (pp. 248–53, reading backward), "Baling Invoice of Sundries for Indian Presents," in unknown handwriting (pp. 256–74; reading backward), and Clark's "The names of the Forts or British Trading Establishments on the Ossiniboine" (inside back cover); illustrations of war hatchet (p. 158) and battle ax (p. 165); map of Mississippi, Minnesota, and Red rivers (p. 255).
• Weather Diary, January 1, 1804–April 9, 1805, Lewis and Clark
      PPAmP; Thwaites (LC), 6:137–40, 165–87; Biddle's deposit, no number; red, blue, and yellow (marbled) paper-covered notebook, 60 pages (unpaged); 7¾" x 6¼"; notebook that Lewis had used some years earlier without filling; includes some botanical notes, undated (ca. 1803–1804), Lewis's accounts as a paymaster in 1800, Lewis's travel notes in 1800 and 1801, and Lewis and Clark's weather diary, January 1, 1804–April 9, 1805 (gap from May 15 to September 19, 1804).
• Codex O, Astronomical Observations, May 18, 1804–March 30, 1805, and "A Summary view of the Rivers and Creeks, which discharge thems[elves] into the Missouri . . ." undated (ca. April 1805), Lewis
      PPAmP; Thwaites (LC), 6:230–62, 29–55; Biddle's deposit (from Hassler), no number; one of the red books, 122 pages (total varies from page numbers); 7⅞" x 4⅞"; probably sent to Jefferson in April 1805; includes Lewis's description of astronomical instruments, July 22, 1804 (pp. 1–6), Lewis's observations, May 18, 1804–March 30, 1805 (pp. 6–52), and Lewis's "A Summary view . . ." (pp. 69–128).
• Estimate of Eastern Indians, undated (ca. April 1805), Clark
      PPAmP; Thwaites (LC), 6:80–113; Biddle's deposit, no number; 7 sheets or pieces of letter paper pasted together to form one large sheet; 35" x 28" (size varies slightly); probably a copy of a similar estimate (now lost) sent to Jefferson in April 1805, and which appeared in his Message from the President . . . (1806) in a section entitled "A Statistical View of Indian Nations inhabiting the Territory of Louisiana and the Countries adjacent to its northern and Western boundaries."
• Codex D, April 7–May 23, 1805, Lewis
      PPAmP; Thwaites (LC), 1:283–373, 2:3–65, 6:192–93; Biddle's deposit No. 4; one of the red books, 140 pages; 7⅞" x 4⅞"; includes Lewis's journalizing, April 7–May 23, 1805 (pp. 3–139) and Lewis's weather remarks for June 1805 (p. 140) which page goes with Codex Fe.
• Voorhis No. 1, April 7–July 3, 1805, Clark (and occasionally Lewis)
      MoSHi; Thwaites (LC), 1:287–374, 2:5–209, 6:5–8; Voorhis's deposit; Clark's journal No. 4; one of the red books, 172 pages (unpaged; perhaps 10 sheets added: at May 25 and 31, after June 17, and second May 31 entry at end of book); 7⅞" x 4⅞"; includes Lewis's notes on Indians, undated (front flyleaf), Clark's journalizing, April 7–June 17, 1805, "The mule Deer Described in Book No. 8 [i.e, Voorhis No. 2]" apparently in Clark's hand, Lewis's entry for part of May 14, 1805, Clark's courses around the Great Falls of the Missouri River, June 17–19, 1805, "rest Continues 10 pages back [i.e., rest of June 20 entry]" in unknown handwriting (perhaps Clark), Clark's journalizing, June 17–July 3, 1805, Clark's second entry for May 31, 1805, and Clark's notes on "Portage No. 1" (end flyleaf); illustration of bighorn; maps of Falls and Portage of Missouri, Great Falls of Missouri, "Handsom" Falls of Missouri, and Upper Falls of Missouri.
• Codex E, May 24–July 16, 1805, Lewis
      PPAmP; Thwaites (LC), 2:67–235, 6:5–8; Biddle's deposit No. 5; one of the red books, 156 pages (2 sheets added, pp. 131–34); 7⅞" x 4⅞"; includes Lewis's copies of Clark's notes from Voorhis No. 1 for periods when the two were separated, June 4–8 (pp. 50–53), June 11–16 (pp. 84–92), June 17–20 (pp. 98–103), and Clark's survey notes of Great Falls of Missouri by Lewis (pp. 103–6); map of "Draught of the Falls and Portage" (pp. 132–33).
• Codex F, July 17–August 22, 1805, Lewis
      PPAmP; Thwaites (LC), 2:238–385, 3:3–16; Biddle's deposit No. 5; one of the red books, 152 pages (total varies from page numbers); 7⅞" x 4⅞"; "This part to come in on the 20th, related to Capt. C thro the interpreter" (p. 104) apparently in Clark's handwriting; illustrations of Indian smoking-pipe (p. 99) and fish weir (p. 147).
• Codex Fa, August 1–4, 1805, Lewis
      PPAmP; Thwaites (LC), 2:292–307; Biddle's deposit, no number; 8 pages from one of the red books; 7⅞" x 4⅞"; Lewis's journalizing, August 1–4, 1805 and the date "August 5th 1805" without additional writing.
• Codex Fb, August 23–26, 1805, Lewis
      PPAmP; Thwaites (LC), 3:17–43; Biddle's deposit, no number; 26 pages from one of the red books; 7⅞" x 4⅞"; "this Comes into No. 7 [i.e., Codex G] between the 23d and 26 August 1805" and "This has been Copied from W. C. Jornal and Coms in as above in No. 7" (p. 26) both apparently in Clark's handwriting.
• Codex Fc, September 9 and 10, 1805, Lewis
      PPAmP; Thwaites (LC), 3:57–61; Biddle's deposit, no number; 4 pages from one of the red books; 7⅞" x 4⅞"; these pages were torn from Codex P and match the words in Lewis's hand on p. 80 of that codex, which continue the writing for the entry of September 10.
• Codex Fd, September 18–22, 1805, Lewis
      PPAmP; Thwaites (LC), 3:71–83; Biddle's deposit, no number; 8 pages from one of the red books; 7⅞" x 4⅞"; "(This is a part of Book No. 7 [i.e., Codex G] to be referred to and examined after the 9th Sept. 1805.—[)]" (p. 8) apparently in Clark's handwriting and "look forward 4 leaves" (p. 8) apparently in Biddle's handwriting; the latter note in Biddle's hand is upside down to the other writing on the page and may refer to a note by Biddle on p. 3 or one on p. 5, both of which read "copy for Dr Barton."
• Codex Fe, April–September 1805, Lewis (and occasionally Clark)
      PPAmP; Thwaites (LC), 6:185–98; Biddle's deposit, no number; two fragments from the red books; 7⅞" x 4⅞"; one fragment of 10 pages comes from Codex D and is weather diary, April 1–June 30, 1805 (the weather remarks for June are found in Codex D, p. 140); the other fragment of 6 pages is from another red book and is weather diary, July 1–September 30, 1805 (Clark wrote the separate "remarks" for July and August entries, the rest is in Lewis's handwriting).
• Codex P, July–September 1805, Lewis (and occasionally Clark)
      PPAmP; Thwaites (LC), 6:136, 169–71, 193–98, 269–70; Jefferson's deposit (from Barton's estate); one of the red books, 124 pages (total varies from page numbers); 7⅞" x 4⅞"; includes Lewis's weather notes, February–March 1804 (flyleaf and p. 1), copies of natural history material from other journals (partially by Clark but largely by an unknown person), April 9, 1805–February 17, 1806 (pp. 13–124), notes upside down by Lewis that continue writing for September 10, 1805, in Codex Fc (p. 80), two sheets cut out that become Codex Fc, Lewis's weather diary, July 1–September 30, 1805, which Clark apparently wrote for September 21–30 (pp. 125–31, reading backward), Lewis's miscellaneous memorandum, undated (ca. January–May 1804) (p. 133), and Lewis's financial memoranda, December 1803–March 1804 (end flyleaf); illustration of an Indian digging instrument (p. 92), which was probably copied from Codex I, p. 135.
• Elkskin-bound Journal, September 11–December 31, 1805, Clark
      MoSHi; Thwaites (LC), 3:62–300, 6:22–23; Voorhis's deposit; only such journal of its kind, handsewn, and bound in rough elkskin, 224 pages (unpaged); 6¼" x 4¼"; Lewis seems to have made only one notation in the notebook, when he wrote some course and distance matter for November 5, 1805; "Presented to J. J. Audubon at St. Louis April 19th 1843—by D. D. Mitchell—Supt. Indian Affairs" (last page) in unknown handwriting (perhaps Mitchell); illustrations of shape of a hut door, flounder, and native hat; 19 maps that show short stretches of travel from Traveler's Rest and along the Lolo Trail to the confluence of the Columbia and Snake rivers, then to the confluence of the Columbia and Deschutes rivers (maps also show the area around Fort Clatsop and other nearby areas).
• Codex G, July 1–October 10, 1805, Clark
      PPAmP; Thwaites (LC), 2:203–386, 3:9–106, 6:9–21; Biddle's deposit No. 7, Clark's journal No. 5; one of the red books, 152 pages; 7⅞" x 4⅞"; includes some distance and latitude notations by Clark (flyleaf and p. 1, reading backward) and Clark's journalizing, July 1–October 10, 1805.
• Codex H, October 11–November 19, 1805, Clark
      PPAmP; Thwaites (LC), 3:108–235, 6:263–64; Biddle's deposit No. 8; perhaps Clark's journal No. 6; one of the red books, 152 pages; 7⅞" x 4⅞"; includes Clark's journalizing, October 11–November 19, 1805 (pp. 5–152), Clark's "The Course's Distances and Remarks Decending the Lewis's river from the mouth of Koskoskia . . ." (pp. 15–22), and Clark's "Course Distance & Remarks Decending the Columbia River from the Lewis's River . . . to the Great Pacific Ocean—" (pp. 132–48); "See another book [i.e., Codex I] for perticulars" (p. 152) probably Clark's handwriting; illustration of shape of a hut door (p. 63); maps of Great Falls of the Columbia (flyleaf and p. 1), Long and Short Narrows of the Columbia (pp. 2–3), Great Rapids of the Columbia (p. 4), and confluence of Columbia and Snake rivers (p. 33).
• Codex Q, July 30, 1804–ca. December 18, 1805, Lewis
      PPAmP; Thwaites (LC), 6:122–35; Jefferson's deposit (from Barton's estate); marble-covered book, 184 pages; 6½" x 3¾"; includes Lewis's zoological notes, August 2, 1804–ca. December 18, 1805 (pp. 4–56) and copies of natural history material by an unknown person from other journals, March 11–August 10, 1806, with additional material from August and September 1804, and February 1805 (pp. 57–181); illustrations of iron scimitar (p. 88) and bone fishhook (p. 111), both probably copies from regular journals (Codex K, pp. 14 and 83 or Voorhis No. 2 and No. 3).
• Detachment Orders, February 20, 1804–January 1, 1806, Lewis, Clark, and Ordway
      MoSHi; Thwaites (LC), 1:7–193, 3:302–4; Voorhis's deposit; 70 pages from one of the marble-covered books; 6½" x 3¾"; two orders by Lewis (February 20 and March 3, 1804) on letter paper are not included in the notebook; one fragment of letter paper carries part of an order by Clark (April 7, 1804) that is given in full in the notebook; orders for April 7, 21, May 4, 16, and 17, 1804, are in Ordway's handwriting, orders for May 26, July 8, August 26, 28, 1804, and January 1, 1806, are in Lewis's handwriting, orders for June 29 and October 8, 1804, are in Clark's handwriting, and orders for July 12 and October 13, 1804, are partly written by Lewis and partly by Clark.
• First Draft, January 6–10, 1806, Clark (and occasionally Lewis)
      PPAmP; unpublished; Biddle family's deposit; sheets are letter paper cut to size, 48 pages (unpaged); 6" x 4" (size varies slightly); includes Clark's "Distances of the mouthes of Rivers Creeks and Most remarkable places from Fort Mandan & Lattiduds in 1805," cf. Thwaites (LC), 6:61–70, Clark's journalizing, January 6–10, 1806 (given as 1805), Clark's "Distances" continued, which includes "along the Seacost of the N. W. by N," cf. Thwaites (LC), 6:70, "From the Warciacum upper village . . . ," cf. Thwaites (LC), 6:69, and "along the coast [S. S. E.]," cf. Thwaites (LC), 6:71, Clark's astronomical observation, January 31, 1806 (with some notes by Lewis), Clark's course and distance calculations, undated (ca. January 1806), Clark's summary of party's route across the continent and return (here Codex T comes in at the end), undated (ca. August 1806); illustration of "skaite"; map of Clark's route to whale site on Pacific coast.
• Codex I, November 19, 1805–January 29, 1806, Clark (and occasionally Lewis)
      PPAmP; Thwaites (LC), 3:235–363, 4:4–23, 6:61–72, 113–20, 185–205; Biddle's deposit No. 9; perhaps Clark's journal No. 7; one of the red books, 156 pages (perhaps 2 sheets added, pp. 153–56); 7⅞" x 4⅞"; includes Clark's "Estimated Distances . . . [from Fort Mandan to Pacific Coast]" (pp. 2–12), Clark's weather diary, April 1, 1805–January 31, 1806 (pp. 13–33), Clark's journalizing, November 19, 1805–January 29, 1806 (pp. 34–144), "See Book No. 8 [i.e., Voorhis No. 2]" (p. 145) probably Clark's handwriting, Clark's extra entries for January 1–3, 1806 (pp. 145–46, reading backward), Clark's "Estimate of Western Indians" (pp. 147, 150–51, 153–55, reading backward), Lewis's "Estimate of Western Indians" (pp. 148–49, reading backward), and Clark's "A List of the names as given by the Indians of the Traders . . ." (p. 156); illustrations of native hat (p. 80), barb (p. 119), bone fishhook and line (p. 122), digging instrument (p. 135), native hat (p. 144), and knife (p. 144); maps of Point William (p. 11) and mouth of Columbia River (p. 152).
• Codex Ia, November 29–December 1, 1805, Lewis
      PPAmP; Thwaites (LC), 3:255–62; Biddle's deposit, no number; 10 pages perhaps from one of the marble-covered books; 6½" x 3⅝"; includes Lewis's journalizing, November 29–December 1, 1805 (pp. 1–6, 8–9) and "Capt. Lewis rough notes when he left Capt. Clark near the mouth of Columbia for a few days to examine the S. W. side" (p. 10) apparently in Clark's handwriting; map of Point Adams (p. 7).
• Codex J, January 1–March 20, 1806, Lewis
      PPAmP; Thwaites (LC), 3:301–62, 4:3–193, 6:202–11; Biddle's deposit No. 10; one of the red books, 152 pages; 7⅞" x 4⅞"; includes Lewis's journalizing, January 1–March 20, 1806 (pp. 3–145) and Lewis's weather diary, January 1–March 31, 1806 (pp. 145–52, reading backward); 21 illustrations showing the material culture of coastal Indians and local flora and fauna; 6 illustrations stand out for their artistic worth (cf. Voorhis No. 2): head of a vulture (p. 80), eulachon (p. 93), head of a cock of the plains (p. 107), head of a white gull (p. 115), head of a brant (p. 131), and salmon trout (p. 133).
• Estimate of Western Indians, undated (ca. March 1806), Clark
      PPAmP; Thwaites (LC), 6:113–20; Biddle's deposit, no number; 4 sheets of letter paper; 13½" x 9½"; map of area of Bonhomme Island.
• Voorhis No. 2, January 30–April 3, 1806, Clark
      MoSHi; Thwaites (LC), 4:25–242, 6:205–11; Voorhis's deposit; Clark's journal No. 8; one of the red books, 152 pages (unpaged); 7⅞" x 4⅞"; includes Clark's journalizing, January 30–April 3, 1806, Clark's weather diary, February 1–March 31, 1806, and Clark's table of "Longitude to each Degree of Latitude from the Equator to the pole" (end flyleaf); 23 illustrations showing the material culture of coastal Indians and local flora and fauna; one illustration stands out for its ethnological interest: Clark's illustration of Clatsop head-flattening techniques and results (front flyleaf); 6 illustrations stand out for their artistic worth (cf. Codex J): head of a vulture, eulachon, cock of the plains, head of a white gull, head of a brant, and salmon trout; map of area about confluence of Willamette and Columbia rivers.
• Codex K, March 21–May 23, 1806, Lewis
      PPAmP; Thwaites (LC), 4:194–369, 5:3–59, 6:212–18; Biddle's deposit No. 11; one of the red books, 152 pages; 7⅞" x 4⅞"; includes Lewis's journalizing, March 21–May 23, 1806 (pp. 1–147) and Lewis's weather diary, April 1–May 31, 1806 (pp. 147–52, reading backward); illustrations of iron scimitar (p. 14), two views of a canoe (p. 33), ground plan of a native house (p. 39), bone fishhook (p. 83), and "scooping" fish net (p. 139); map of area about confluence of Willamette and Columbia rivers (pp. 28–29).
• First Draft, April 16–21, 1806, Clark
      MoSHi; Thwaites (LC), 4:288–311; Voorhis's deposit; sheets are letter paper cut to size, 16 pages (unpaged); 5" x 4¼" (size varies slightly); illustration of bone used in Indian game.
• Voorhis No. 3, April 4–June 6, 1806, Clark
      MoSHi; Thwaites (LC), 4:244–372, 5:8–113, 6:212, 215–18; Voorhis's deposit; one of the red books, 152 pages (unpaged); 7⅞" x 4⅞"; includes Clark's journalizing, April 4–June 6, 1806, Clark's weather diary, April 1–May 31, 1806 (reading backward), and Clark's list of Chopunnish names for prominent rivers (end flyleaf); illustrations of bone fishhook, fish weir, and "scooping" fish net; maps of trails through the Rocky Mountains to the Missouri and Yellowstone rivers (front flyleaf and first page) and Indian sketch of area of confluence of Columbia and Snake rivers and extensions of each (last page).
• Codex L, May 24–August 8, 1806, Lewis
      PPAmP; Thwaites (LC), 5:60–238, 6:23–24, 218–23, 265; Biddle's deposit No. 12; one of the red books, 150 pages; 7⅞" x 4⅞"; includes Lewis's journalizing, May 24–July 4, 1806 (pp. 1–81), "a Suplemnt [i.e., Codex La] to Come in here inclosed" (p. 81) probably Clark's handwriting, gap from July 5–14, 1806, with some pages left blank (pp. 82–98), Lewis's journalizing, July 15–August 8, 1806 (pp. 99–144), "a Suplt. [i.e., Codex Lb] to Come in here" (p. 144) probably Clark's handwriting, and Lewis's weather diary, June 1–August 12, 1806 (pp. 145–49, partially reading backward); Lewis's note on Joseph Dickson and Forrest Hancock (end flyleaf).
• Codex La, July 3–15, 1806, Lewis
      PPAmP; Thwaites (LC), 5:183–202; Biddle's deposit, no number; sheets are letter paper cut to size, 18 pages; 8" x 5" (size varies slightly); "a part of M. L. notes to Come into the book No. 12 [i.e., Codex L]—after the 4' July," (p. 18) probably Clark's handwriting and "where ten blank leaves were left by M. L. for the insertion of this matter. Dec. 10, 1892. Coues" (p. 18) in Coues's handwriting; map of a portion of Lewis's route in Big Blackfoot River (p. 4).
• Codex Lb, August 9–12, 1806, Lewis
      PPAmP; Thwaites (LC), 5:239–44; Biddle's deposit, no number; 8 pages from one of the red books; 7⅞" x 4⅞"; this fragment probably comes from a red book at MoSHi that has notation on its cover, "9 to 12 Augt. 1806" but with no such entries or any expeditionary material; the notebook appears to have several pages missing from the front; "To be anexed to Book No. 12 [i.e., Codex L] at the last" (p. 7) probably Clark's handwriting and "Aug. 9–12 1806" (p. 7) probably Coues's handwriting.
• First Draft, July 13–19 and July 24–August 3, 1806, Clark
      MoSHi; selectively published; Thwaites (LC), 5:263, 303, 311; Voorhis's deposit; sheets are letter paper cut to size, 38 pages (unpaged); 6¼" x 4¼" (size varies slightly); covered with torn letter paper with following words on outside: "Journal Papers Relative to memorandoms Maps &c." and "Papers relating to Journey to Pacific" both in unknown handwriting; contains largely "course and distance" information; map of a portion of Clark's route on Yellowstone River.
• Codex M, June 7–August 14, 1806, Clark (and occasionally Lewis)
      PPAmP; Thwaites (LC), 5:115–82, 245–339, 6:218–20, 223–28; Biddle's deposit No. 13; one of the red books, 152 pages (total varies from page numbers); 7⅞" x 4⅞"; includes Clark's journalizing, June 7–August 3, 1806 (pp. 3–122), Lewis's journalizing, undated (written on or after August 12, 1806) (pp. 122–24), Clark's journalizing, August 4–14, 1806 (pp. 125–46), Clark's weather diary, June 1–August 31, 1806 (pp. 146–52, reading backward), and Clark's "Memorandom" of things to do, undated (ca. August 1806) (p. 154); map from Indian information showing drainage and trails east and west from Bitterroot Mountains (pp. 1–2).
• Codex N, August 15–September 26, 1806, Clark
      PPAmP; Thwaites (LC), 5:339–95, 6:24–28, 56–59, 61–78, 121–22, 140–41, 228–29, 266–68, 276–80; Biddle's deposit No. 14; one of the red books, 152 pages (total varies from page numbers); 7⅞" x 4⅞"; includes Clark's memorandum of goods (pp. 1–2), Clark's journalizing, August 15–September 26, 1806 (pp. 3–78), Clark's notes on sketches (pp. 83–85), miscellaneous notes apparently by Clark and an unknown person (pp. 122–127, reading backward), "refur to Book No. 9 [i.e., Codex I]—from the 19 Nov to 29 of January 1806 for a Statement of the River Rochejhone & that part of our rout from the Falls of Missouri across the mountains on our outward bound journey all of which is estimate" (p. 128) probably Clark's handwriting, Clark's (and partially Lewis's) "A Summary Statement of the Rivers Creeks and most remarkable places . . . [from Camp Dubois to Pacific Coast and return]" (pp. 128–42, reading backward), Clark's "Courses and Compiled Distances from the Enterance of Travellers rest Creek into Clarks River to the Falls of Missouri" (pp. 144–48, reading backward), Clark's weather diary, September 1806 (pp. 151–52, reading backward), and Clark's natural history notes (pp. 153–54, reading backward); maps of area of Bonhomme Island (2 sketches, pp. 81 and 82) and Lewis's route from Traveler's Rest to White Bear Islands (pp. 149–50).
• Voorhis No. 4, Miscellaneous Notebook, Clark
      MoSHi; Thwaites (LC), 6:56–71, 114–20, 121–22, 140–41, 166–67; 179–82, 198–201; Voorhis's deposit; one of the red books, 154 pages (unpaged); 7⅞" x 4⅞"; includes Clark's weather diary, January and December 1804, and January, October, November, and December 1805, Clark's "Estimated Distances . . . [from Fort Mandan to Pacific Coast]," Clark's "Estimate of Western Indians," Clark's botanical and zoological notes (cf. Codex N, pp. 153–54), Biddle's queries and Clark's notes for Biddle, Clark's "A Summary Statement of Rivers Creeks and most remarkable places . . . [from Camp Dubois to Pacific Coast], "Clark's longitudinal and latitudinal readings, Clark's postexpeditionary notes (ca. 1808); maps of confluence of Columbia and Snake rivers and adjacent areas, Great Falls of Columbia, Long and Short Narrows of Columbia, and Great Rapids of Columbia.

• Miscellaneous memorandum, undated (ca. 1804), Clark
      CtY; Thwaites (LC), 1:15–16; Coe Collection of maps; one sheet of letter paper folded to size; 12⅛" x 8⅛"; reverse of Atlas map 3a on which Clark has written "A Memorandum of Articles in readiness for the Voyage."
• Miscellaneous memoranda, undated (ca. 1804), Lewis and Clark
      MoSHi; Thwaites (LC), 1:4–6; Voorhis's deposit; one sheet of letter paper folded to size; 12" x 6⅞"; memoranda from Camp Dubois and Fort Mandan; includes Lewis's "Information of Mr. John Hay, commencing at the discharge of the Ottertail Lake, which forms the source of the Red River, to his winter station on the Assineboin River" and Clark's "The Course from the Fort Mandan to the Fort Chaboillez's on the Assinna Boin is North 150 Miles" (ca. November 1804).
• Indian Speeches, October and November 1804, Clark
      MoSHi; Thwaites (LC), 7:303–6; Voorhis's deposit; two sheets of letter paper folded to size; 15" x 9½"; includes the following in Clark's handwriting: Speech of Kakawissassa (or Lighting Crow), October 11, 1804, Speech of Posecopsahe (or Black Cat), undated (October 31, 1804), Speech of Sheheke (or Big White), November 1, 1804, Speech of Kagarnemoghge or Cargarnomokshe (or Raven Man), October 30, 1804, Speech of Principal Chief of "Wautesoon" (i.e., Amahami or Awaxawi), October 30, 1804, miscellaneous ethnographic notes, Speech of 2d Chief of Arikaras (Pocasse or Hay), undated (ca. October 12, 1804), and Speech of 3d Chief of Arikaras (Piaheto or Eagles Feather), undated (ca. October 12, 1804); one separate sheet of letter paper, badly torn; 8½" x 7"; "Speech of the Cherry" (or Caltarcata) in Clark's handwriting, undated (ca. October 29, 1804).
• Donation Book, 1804 and 1805, Vaughan and Seybert (and occasionally Lewis)
      PPAmP; Thwaites (LC), 6:151–57, 157–58, 159–64; red, blue, and yellow (marbled) paper-covered notebook into which Vaughan and Seybert copies Lewis's natural history and other notes, 72 pages (unpaged); 12⅝" x 7⅞"; the data was gathered on way to and during stay at Fort Mandan; under Vaughan's heading "Donations November 16, 1805 from Meriwether Lewis Dried Plants &c put into Dr B. S Bartons hands for Examination" are included the following: copy of Lewis's botanical specimens, May 10–October 18, 1804 (9 pages), copy of Lewis's mineralogical specimens, May 30–February 13, 1805 (8 pages), and copy of a letter from Lewis to Jefferson, March 5, 1805, begun by Vaughan and completed by Lewis (for letter and additional information, see Jackson (LLC), 1:220–21).
• Miscellaneous geographic memoranda, 1804–5, Clark
      MoSHi; unpublished; Voorhis's deposit; one sheet of letter paper folded to size; 14⅜" x 9"; apparently this data was gathered on way to and during stay at Fort Mandan, includes Clark's "A Summary Statement of Rivers, Creeks & most remarkable places, their Distances &c. &c. from the mouth of the Missouri, as high up that River as was explored in the year 1804," Clark's "The upper part of the River Missouri &c. is from Indians information taken at Fort Mandan in the winter 1804.5," Clark's "The names of Rivers, Creeks and the most remarkable places on the Kansaws River, from Information," Clark's "The names of Rivers, Creeks and the most Remarkable places on the Platt River, from Information," and Clark's "The names of Rivers Creeks & mountains on the Yellowstone River, from Indian information"; also 5 sheets of letter paper folded to size; 14¼" x 9"; Clark's "The Courses and estimated distances of the Missouri from its mouth to the Mandan Nation as taken assending in the year 1804"; and one other sheet of letter paper folded to size; 12" x 8⅜"; includes Clark's "Names of remarkable places Rivers Creeks Empping into the Missouri" and Clark's list of streams along the Yellowstone River based on Indian information.
• Miscellaneous ethnographic memoranda, undated (ca. 1804–5), Clark
      MoSHi; unpublished; Voorhis's deposit; two separate sheets of letter paper folded to size; 16¼" x 12"; preliminary notes on Indian tribes probably made at Fort Mandan (cf. Estimate of Eastern Indians above); one sheet labeled "Nations of Indians inhabiting the country to the North of New Mexico & West of Mississippi . . . in 1805"; another sheet labeled "the Names of Nations & tribes which is thought to be advantageous Situations for Establishments—Some Estimations of their production."
• Miscellaneous memoranda, undated (ca. 1804–5), Clark
      PPAmP; unpublished; Biddle family's deposit; individual sheets of letter paper of various sizes; apparently this data was gathered on way to and during stay at Fort Mandan and probably sent to Jefferson in April 1805; includes Clark's "The Countrey and Rivers in advance or above the Mandans is from Indian information only 1805" (2 pages, cf. Codex O, pp. 117–22, Lewis's "A Summary view . . ."), Clark's "A Slight view of the Missouri River" (4 pages), Clark's "A Summary Statement of the Rivers & Creeks which fall into the Missouri . . ." (12 pages, cf. Codex O, pp. 69–117, Lewis's "A Summary view . . ."), Clark's description of the Indian nations (4 pages), and Clark's "[A statistical?] view of the Indian Nations inhabitating the territory of Louisiana and the countries adjacent to its northern and western boundaries" (1 page, cf. Estimate of Eastern Indians above).
• "Latitudes of certain points or places from Fort Mandan to Fort Clatsop," April–August 1805, Lewis
      MoSHi; unpublished; Voorhis's deposit; unidentified sheet of paper partially torn; 6" x 4¼"; gives latitude readings for Lewis's points of observations (nos. 1, 2, 7, 17, 19, 24, 30, and 42).
• Astronomy Notebook, 1803, 1805, and 1806, Patterson and Lewis
      MoHi; unpublished; Breckenridge Collection; apparently a child's copybook used by Patterson for instructing Lewis in astronomical observations and giving models for such calculations, 30 pages (unpaged); 7½" x 6⅝"; includes Patterson's examples, forms, and tables, Lewis's "Statistical Table," Lewis's "Explanations and notes on the foregoing table," and Lewis's "Point of observation No. 21," May 20, 1805, and "Point of observation No. 22," May 21, 1805; map by Lewis, "Sketch given us by Yellept the principal Chief of the Wollahwollah Nation" (ca. April 27, 1806).
• Speech for Yellowstone River Indians, 1806, Clark
      MoSHi; Thwaites (LC), 5:299–301; Voorhis's deposit; two sheets of letter paper folded to size; 14½" x 9½".
• Miscellaneous ethnographic memoranda, undated (ca. 1806), Clark
      MoSHi; unpublished Voorhis's deposit; three sheets of letter paper folded to size; 12" x 8¼"; preliminary list of names of Indian tribes probably made at Fort Clatsop (cf. Estimate of Western Indians above); includes Clark's "Indian Names" and "A List of the nations and tribs of Indians residing west of the Rocky Mountains &c."
• "A summary Statement of Rivers Creeks and most remarkable places . . . to the falls of sd. River [Missouri] . . . 1804.5 & 6 by Captains Lewis & Clark," undated (ca. 1806), Clark
      ViU and DNA; unpublished; microfilm and photostatic copies made in the mid–1950s from a private collection; the original of the document is not now available; this is probably a copy of one of the many such summary statements written by Lewis and Clark.

• Journal of Charles Floyd, May 14–August 18, 1804 (occasionally Clark's writing)
      WHi; Thwaites (LC), 7:3–26; Draper deposit; notebook of marble boards, 56 numbered pages and 18 unnumbered blank pages; 7½" x 5⅞"; includes Floyd's due bills and entry for March 13, 1804 (p. 1), Floyd's journalizing, May 14–August 18, 1804 (pp. 2–54), Clark's occasional writing, June 22–25, 1804 (pp. 22–25) and Floyd's miscellaneous notes (pp. 55–56).
• Journal of John Ordway, May 14, 1804–September 23, 1806 (occasionally Clark's writing)
      PPAmP; Quaife (MLJO), 79–402; Biddle family's deposit (3 notebooks); notebook I: handstitched sheets covered with loose boards, 322 pages (erratically paged); divided into 4 parts; pt. I (7¾" x 6¼") includes notation "Detachment Orders, Camp River Dubois" and latitude readings (1 unnumbered page), Ordway's journalizing, May 14–October 10, 1804 (pp. 1–90), and several unnumbered pages of Ordway's latitudes from St. Charles to Fort Mandan (1 page), Ordway's estimated distances "as taken by Capt. William Clark" from mouth of Missouri to Fort Mandan (2 pages, reading backward), and notation "Orderly Book For the Detachment kept by Sergt. Ordway—Commenceing on the 1st day of April 1804" (1 unnumbered page); pt. 2 (8¼" x 6½", size varies slightly) includes Ordway's journalizing, October 10, 1804–March 1, 1805 (pp. 91–145) and notation "A Journal continued from 90th page" (p. 91); pt. 3 (8⅛" x 6½") includes notation "A journal continued from page (145)" (p. 147) and Ordway's journalizing, March 1–April 2, 1805 (pp. 147–53); pt. 4 (8½" x 6½", size varies slightly) includes notation "continued" (p. 1), Ordway's journalizing, April 1–May 28, 1805 (pp. 1–50), "From this not consulted mem." apparently in Biddle's handwriting (p. 10); notation "Journal continued" (p. 41), Ordway's journalizing May 28–September 30, 1805 (108 unnumbered pages), and Ordway's mileage table (2 unnumbered pages); notebook 2: marble-covered book, 184 pages (unpaged); 6½" x 3¾"; includes notation "Sergt. Ordway's Journal Commencing the first Oct. 1805 . . . ," Ordway's journalizing, October 1, 1805–May 15, 1806, Ordway's "Estimated Distance in miles ascending the Missourie, Crossing the Rockey Mountains and descending the Kooskookes, Lewises river and the Columbia River of all remarkable places & Latitudes &c." (10 pages, reading backward), and Ordway's list of personnel, dated "Fort Clatsop 22nd March 1806" (3 pages, reading backward); and notebook 3: no cover, 120 pages (unpaged); 7½" x 4⅛"; includes notes on wildlife March–August 1806 (2 pages), Ordway's journalizing, May 16–September 23, 1806, about 7 sheets torn from the journal but no apparent break in journal, Ordway's mileage table from Fort Mandan to mouth of Missouri (4 pages, reading backward), and Ordway's notes on Indian trade items (2 pages, reading backward).
• Journal of Patrick Gass, May 14, 1804–September 23, 1806
      Manuscript lost; Gass; some gaps in journalizing; published first at Pittsburgh in 1807 by David McKeehan and printed by Zadoc Cramer, 262 pages; numerous reprints since that time.
• Journal of Joseph Whitehouse, May 14, 1804–November 6, 1805 (original, with some writing by Clark and unknown persons) and May 14, 1804–April 2, 1806 (paraphrase)
      ICN; Thwaites (LC), 7:29–190; original; paraphrase unpublished; Ayer's deposit (original); institutional purchase (paraphrase); the original journal is bound in animal skin and is in three parts, 292 pages (unpaged); pt. I (7⅜" x 6") entries May 14, 1804–May 27, 1805; pt. 2 (8¼" x 6", larger size varies slightly) entries May 28–August 31, 1805; pt. 3 (8¼" x 6") entries September 1–November 6, 1805; original journal includes Whitehouse's journalizing, May 14, 1804–May 27, 1805 (with occasional writing by Clark and unknown persons), Whitehouse's "Latudes of the Diffrent remarkable places on the Missouri river," Whitehouse's distance chart from Camp Dubois to Big Bend of Missouri River, Whitehouse's "Remarks [latitudes] of Different places," and Whitehouse's journalizing, May 28–November 6, 1805 (with several gaps in journalizing); the paraphrase is in a notebook of bound boards (not the original cover), 368 pages (i–ix, 1–351, and 1–8); 12¾" x 7¾"; includes title page, preface, list of members of expedition party, Whitehouse's paraphrased journalizing, May 14, 1804–March 23, 1806 (pp. 1–351), "End of first Volume" (p. 351), "Volume 2nd" (p. 1, pagination renumbered), and Whitehouse's paraphrased journalizing, March 23 (second entry)–April 2, 1806 (pp. 1–8).