IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The original negative number is ...
Despite losing an arm in the US Civil War, John Wesley Powell was one of the great explorers of the American West, and made history as the man who mapped the Grand Canyon. Untold is a free collection ...
CC0 Usage Conditions ApplyClick for more information. Grove Karl Gilbert (1843–1918) was an American geologist. He joined the Powell Survey of the Rocky Mountain Region in 1874, becoming Powell's ...