'Prince', Grand Canyon.Field trip of 1932GrayscaleBowman nitrate negative, box 1
Looking northwest in central Nevada to show sage, alkali, dust whirl and distant mountains.Field tri...
R.G.B [Robert G. Bowman] looking for fossils in a ravine south of Scenic.Field trip of 1930Grayscale...
Columbia River Gorge after leaving Pasco, 10 miles after entering gorge.Field trip of 1930GrayscaleB...
Looking down on I X L ranch in Guano Valley [Oregon], July 19.Field trip of 1932GrayscaleBowman nitr...
Dry falls and lake. Grand Coulee.Field trip of 1932GrayscaleBowman nitrate negative, box 1
R.G.B. at 'Bob's Geyser'.Field trip of 1932GrayscaleBowman nitrate negative, box 1
Community Hall [Dawson Creek, British Columbia]Field trip of 1932GrayscaleBowman nitrate negative, b...
Photo from Norm Nevills expedition down the Colorado River through the Grand Canyon, July 12 to Augu...
Negro cabin west of Paducah, Kentucky. Deep shadow.Field trip of 1932GrayscaleBowman nitrate negativ...
Looking northwest at flat-topped mesa on northwest side of Guano Valley.Field trip of 1932GrayscaleB...
Possibly vegetation on Tonto Plateau near Grand CanyonGrayscaleBowman Nitrate Negative, Box
Same as XXI-7. Ranch in hollow between two alluvial fans.Field trip of 1932GrayscaleBowman nitrate n...
Looking north from Pilot Butte over juniper forest towards Mt. Hood.Field trip of 1932GrayscaleBowma...
Ranch at mile 61, 12:30. [Modoc County]Field trip of 1932GrayscaleBowman nitrate negative, box 1
Upper rim of Grand Canyon, October 2, 1912GrayscaleBowman Nitrate Negative, Box
Looking northwest in central Nevada to show sage, alkali, dust whirl and distant mountains.Field tri...
R.G.B [Robert G. Bowman] looking for fossils in a ravine south of Scenic.Field trip of 1930Grayscale...
Columbia River Gorge after leaving Pasco, 10 miles after entering gorge.Field trip of 1930GrayscaleB...
Looking down on I X L ranch in Guano Valley [Oregon], July 19.Field trip of 1932GrayscaleBowman nitr...
Dry falls and lake. Grand Coulee.Field trip of 1932GrayscaleBowman nitrate negative, box 1
R.G.B. at 'Bob's Geyser'.Field trip of 1932GrayscaleBowman nitrate negative, box 1
Community Hall [Dawson Creek, British Columbia]Field trip of 1932GrayscaleBowman nitrate negative, b...
Photo from Norm Nevills expedition down the Colorado River through the Grand Canyon, July 12 to Augu...
Negro cabin west of Paducah, Kentucky. Deep shadow.Field trip of 1932GrayscaleBowman nitrate negativ...
Looking northwest at flat-topped mesa on northwest side of Guano Valley.Field trip of 1932GrayscaleB...
Possibly vegetation on Tonto Plateau near Grand CanyonGrayscaleBowman Nitrate Negative, Box
Same as XXI-7. Ranch in hollow between two alluvial fans.Field trip of 1932GrayscaleBowman nitrate n...
Looking north from Pilot Butte over juniper forest towards Mt. Hood.Field trip of 1932GrayscaleBowma...
Ranch at mile 61, 12:30. [Modoc County]Field trip of 1932GrayscaleBowman nitrate negative, box 1
Upper rim of Grand Canyon, October 2, 1912GrayscaleBowman Nitrate Negative, Box
Looking northwest in central Nevada to show sage, alkali, dust whirl and distant mountains.Field tri...
R.G.B [Robert G. Bowman] looking for fossils in a ravine south of Scenic.Field trip of 1930Grayscale...
Columbia River Gorge after leaving Pasco, 10 miles after entering gorge.Field trip of 1930GrayscaleB...