Created by the Center for Digital Research in the Humanities
in partnership with the University of Nebraska Press
and funding from the National Endowment for the Humanities.
| [roman] | Word or phrase supplied or corrected. |
| [roman?] | Conjectural reading of the original. |
| [italics] | Editor's remarks within a document. |
| [Ed: italics] | Editor's remarks that might be confused with EC, ML, NB, WC, or X. |
| [EC: italics] | Elliott Coues's emendations of interlineations. |
| [ML: italics] | Meriwether Lewis's emendations or interlineations. |
| [NB: italics] | Nicholas Biddle's emendations or interlineations. |
| [WC: italics] | William Clark's emendations or interlineations. |
| [X: italics] | Emendations or interlineations of the unknown or an unidentified person. |
| 〈roman〉 | Word or phrase deleted by the writer and restored by the editor. |
| α | Alpha |
| ∠ | Angle |
| ☽ | Moon symbol |
| ☞ | Pointing hand |
| ★ | Star |
| ☉ | Sun symbol |
| ♍ | Virgo |
| Altd., alds. | altitude, altitudes |
| Apt. T. | apparent time |
| d. | degree |
| do. | ditto |
| h. | hour |
| id., isd. | island |
| L. L. | lower limb |
| L., Larb., Lard., Lbd., or Ld.S. | larboard (or left) side |
| Lad., Latd. | latitude |
| Longtd. | longitude |
| m., mts. | minute, minutes |
| M. T. | mean time |
| mes., mls., ms. | miles |
| obstn. | observation |
| opsd. | opposite |
| pd., psd. | passed |
| pt. | point |
| qde., quadt., qudt. | quadrant |
| qtr., qutr. | quarter |
| s. | second |
| S., St., Star., Starbd., Stb, or Stbd. S. | starboard (or right) side |
| sext., sextn., sextt. | sextant |
| U. L. | upper limb |
Note: abbreviations in weather entries are explained at the presentation of the first weather data, following the entry of January 31, 1804.
Created by the Center for Digital Research in the Humanities
in partnership with the University of Nebraska Press
and funding from the National Endowment for the Humanities.