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Images

Explore our planet through photography and imagery, including climate change and water all the way back to the 1800s when the USGS was surveying the country by horse and buggy.

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William Bramwell Powell and Major John Wesley Powell
William Bramwell Powell and Major John Wesley Powell
William Bramwell Powell and Major John Wesley Powell
William Bramwell Powell and Major John Wesley Powell

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)
Undated portrait of Jim Bridger (1804-1881)
Undated portrait of Jim Bridger (1804-1881)
Undated portrait of Jim Bridger (1804-1881)

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, John Colter route through Yellowstone
William Clark's 1814 map, John Colter route through Yellowstone
William Clark's 1814 map, John Colter route through Yellowstone
William Clark's 1814 map, John Colter route through Yellowstone

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.)

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