Painting by Henry C. Pitz showing John Wesley Powell and his party going through the Grand Canyon, presumably during the historic 1869 Colorado River expedition. The 1869 expedition gave to Powell and his party the distinction of being the first to travel the entire distance of the Colorado River, a remarkable feat that many had formerly believed impossible.
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Painting by Henry C. Pitz showing John Wesley Powell and his party going through the Grand Canyon, presumably during the historic 1869 Colorado River expedition. The 1869 expedition gave to Powell and his party the distinction of being the first to travel the entire distance of the Colorado River, a remarkable feat that many had formerly believed impossible.
Major John Wesley Powell talking to a Paiute Indian, northern Arizona Survey, Arizona. circa 1869.
Major John Wesley Powell talking to a Paiute Indian, northern Arizona Survey, Arizona. circa 1869.
Map of John Wesley Powell's Pioneer River Voyage. 1869.
Map of John Wesley Powell's Pioneer River Voyage. 1869.
The Old Z, or a portion of the track at the head of Echo before the completion of the tunnel. Summit County, Utah. 1869. (Stereoscopic view)
The Old Z, or a portion of the track at the head of Echo before the completion of the tunnel. Summit County, Utah. 1869. (Stereoscopic view)
Strong shaking during the 1868 Hayward Fault earthquake caused the second story of the Alameda County Courthouse in San Leandro to collapse (photo courtesy of the Bancroft Library, University of California). The inset photo shows the courthouse before the quake
Strong shaking during the 1868 Hayward Fault earthquake caused the second story of the Alameda County Courthouse in San Leandro to collapse (photo courtesy of the Bancroft Library, University of California). The inset photo shows the courthouse before the quake
Camp scene. United States Geological Exploration of the Fortieth Parallel (King Survey). Plate 80: Camp scene. n.d.
(Photo by T.H. O'Sullivan.)
Camp scene. United States Geological Exploration of the Fortieth Parallel (King Survey). Plate 80: Camp scene. n.d.
(Photo by T.H. O'Sullivan.)
Clarence King in camp, Salt Lake City, Utah. United StatesGeological Exploration of the Fortieth Parallel (King Survey). 1868. Plate 96: Clarence King in camp, near Salt Lake City, Utah. October 1868.
(Photo by T.H. O'Sullivan.)
Clarence King in camp, Salt Lake City, Utah. United StatesGeological Exploration of the Fortieth Parallel (King Survey). 1868. Plate 96: Clarence King in camp, near Salt Lake City, Utah. October 1868.
(Photo by T.H. O'Sullivan.)
Quartz mill at Virginia City, Nevada, in the Comstock mining district. Photograph by T.H. O’Sullivan was taken during the U.S. Geographical Exploration of the Fortieth Parallel, which investigated the Virginia City area during the winter of 1867-68. From USGS photographic library collection.
Quartz mill at Virginia City, Nevada, in the Comstock mining district. Photograph by T.H. O’Sullivan was taken during the U.S. Geographical Exploration of the Fortieth Parallel, which investigated the Virginia City area during the winter of 1867-68. From USGS photographic library collection.
Handwritten information on back of photograph, William Branwell (Bram) Powell (Bram) and Major J.W. (Wes) Powell. The two Powell brothers. Wheaton, Illinois. 1865.
Handwritten information on back of photograph, William Branwell (Bram) Powell (Bram) and Major J.W. (Wes) Powell. The two Powell brothers. Wheaton, Illinois. 1865.
Undated portrait of Jim Bridger (1804-1881). Published in Gaston's Portland, Oregon: Its History and Builders, volume 1 (1911), image in the public domain.
Undated portrait of Jim Bridger (1804-1881). Published in Gaston's Portland, Oregon: Its History and Builders, volume 1 (1911), image in the public domain.
William Clark's 1814 map, indicating the route of John Colter during the winter of 1807-1808. (Library of Congress, Geography and Map Division, Washington, D.C.)
William Clark's 1814 map, indicating the route of John Colter during the winter of 1807-1808. (Library of Congress, Geography and Map Division, Washington, D.C.)