| Notes: | Scale not given on 1st map. Copied by Samuel Lewis from drawing of William Clark, it is digitally enhanced by USGS from original map held in collection of Library of Congress, Geography and Map Division.
Maps include Lewis and Clark's exploration trail in 1804-06 across the western portion of North America by order of President Jefferson.
Includes historical text and 5 colored portraits.
Also available via Internet at USGS web site. Address as of 06/25/03: http://rockyweb.cr.usgs.gov/historicmaps/images/LewisClarkPoster%5fp.pdf; current access available via PURL.
Earlier poster like maps and other maps of the Lewis and Clark exploration, 1804-06, are also listed on Internet via USGS web site. Address as of 06/25/03: http://nd.water.usgs.gov/lewisandclark/mapping.html; current access available via PURL.
|
|---|
