Lewis and Clark Navigation
Annotated Internet Links
Compiled by: Hans A. Heynau
The following links may be useful and/or of interest relative to the navigational aspect of the Lewis and Clark Expedition.
- 1804 Nautical Almanac - Images of an actual 1804 Nautical Almanac (use to reduce sights from 1804 Journal entries)
- Lewis and Clark Journals
- On-line accessible version of Moulton's "The Definitive Journals of
Lewis and Clark". Covers the time period August 1803 to September 1806
(+). If you don't yet own all of volumes 2-8 of these journals,
you can read entries by date and later purchase a whole volume(s) when
you want it all readily available. (I did).
- Period Maps -
This on-line collection of maps includes Clark's post expedition map as
well as the map created for Lewis and Clark to take with them.
- Astronomy Notebook
- (transcription by Robert N. Bergantino) The notebook is the one that was carried by Lewis and contained
reduction procedures created by Robert Patterson of
Philadelphia. This transcription contains samples of the original document
period letter items. An earlier posted web transcription,
including comments and hints relative to Patterson's approach for persons
with modern celestial navigation, is available on this site.
- Modern Maps - An on-line
alternate to buying (and storing) modern survey maps when you desire to
look at the modern map of expedition locations.
- Lewis and Clark across Missouri
- Reconstruction of locations of Lewis and Clark key locations in, or
bordering on, Missouri. Also some interesting "virtual landmarks"
(reconstructed views) and "virtual river travel day" (reconstruction
fly-over movies) for a number of Missouri locations.
- Lunar data analysis journal paper - Paper by Robert Preston in American Philosophical society Journal
- Pre-expedition data examination - Web posting by George Huxtable of his examination of the navigation data in the journals for late 1803 and early 1804.
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(This page is a work in Progress)