Historic Map Articles
The Portage Route of Lewis and Clark
Archived: 1984
This map of Lewis and Clark’s Portage Route around the Great Falls of the Missouri in June and July of 1805 is offered here in two resolutions. Shown below is the medium-resolution (2400 x 1810). The high-resolution version (19817 x 14948, 61.6 MB) can be downloaded.
The Route and Campsites of Lewis and Clark in Montana
Archived: 1997
Relying on the celestial and terrestrial observations recorded by Meriwether Lewis and William Clark, Robert Bergantino located the route and campsites of the Lewis and Clark Expedition in Montana and placed them on this map. This PDF file is very large—26.7 MB.
Lolo Trail History and Cartography Part 7
Archived: 1992
This report pertains to the Lewis and Clark National Historic Landmark, the Lewis and Clark National Historic Trail, the Nez Perce National Historic Trail. It also applies to all the other trails in the Lolo Trail System: Northern Nez Perces Trail in 1866, Bird-Truax Trail 1866, Lewiston and Virginia City Wagon Road 1866, Route of […]
John Mullan’s 1863 Map (Annotated)
Archived: 1863
John Mullan’s 1863 Map entitled “Map of Military Road from Fort Walla Walla on the Columbia to Fort Benton on the Missouri“ is a landmark 19th-century map created under the direction of U.S. Army Lieutenant (later Captain) John Mullan. Published around 1863 as part of Mullan’s official report to the U.S. Senate, the map documented […]
Map of Texas Oregon and California 1849
Published by Thomas and Cowperthwait and annotated by Steve F. Russell
Archived: 1849
This hand-colored map of the Western United States in 1845 shows emigrant routes and landmarks from Missouri to Oregon and California. The map documents the pivotal era defined by the Mexican-American War, Oregon migration, and the initial California Gold Rush. It also depicts locations of Native American tribal groups. ANew Map ofTexas OregonandCaliforniawith the Regions […]