View showing a peculiar conglomerate made up of large, angular masses of granite. West bank of Monument Creek was the divide. W.H. Holmes with mule. El Paso County, Colorado., William Henry Jackson, 1874
Date: 1874. Collection: National Archives at College Park. View showing a peculiar conglomerate made up of large, angular masses of granite. West bank of Monument Creek was the... - NARA - 517068