Photograph of a view of the southeast edge of Monument uplift, with De Chelly sandstone, 1914. Photo 915 from Herbert E. Gregory Book 7: Navajo, 1913, 1914
Photograph of a landscape with Upper Moenkopi strata, looking northeast toward Monument Valley in 19...
Photograph of a landscape with Upper Moenkopi strata, looking northeast toward Monument Valley in 19...
Photograph of Setting Hen Butte in Monument Valley, Utah, with Moenkopi capped by DeChelly rock in 1...
Photograph of a view of the southeast edge of Monument uplift, with De Chelly sandstone, 1914. Phot...
Photograph of crossbedding in De Chelly sandstone, Monument uplift, Arizona, 1914. Photo 921 from H...
Photograph of a view of buttes in Monument Valley, with Moenkopi and De Chelly rock in 1914. Photo ...
Photograph of a mesa in Monument Valley showing Moenkopi under DeChelly sandstone and capped by Shin...
Photograph of DeChelly sandstone at the base of Moses Rock in San Juan Co., Utah, 1914. Photo 893 f...
Monument Pass, Utah from west (Moencopie strata), 1910. Photo from Herbert E. Gregory Book 4: Navajo...
Photo shows the east flank of the Castle Uplift (composed of Navajo sandstone), in San Juan County, ...
Photograph Canyon de Chelly walls in 1913, with Shinarump capping Permian rock. Photo 680 from Herbe...
Photograph of water-eroded cavities in a wall of DeChelly sandstone in Monument Valley in 1914. Pho...
Photograph of one of the rock formations in Monument Valley, Utah, in 1910. Photo no. 317 from Herb...
Photograph of a landscape with Upper Moenkopi strata, looking northeast toward Monument Valley in 19...
Photograph of a landscape with Upper Moenkopi strata, looking northeast toward Monument Valley in 19...
Photograph of Setting Hen Butte in Monument Valley, Utah, with Moenkopi capped by DeChelly rock in 1...
Photograph of a view of the southeast edge of Monument uplift, with De Chelly sandstone, 1914. Phot...
Photograph of crossbedding in De Chelly sandstone, Monument uplift, Arizona, 1914. Photo 921 from H...
Photograph of a view of buttes in Monument Valley, with Moenkopi and De Chelly rock in 1914. Photo ...
Photograph of a mesa in Monument Valley showing Moenkopi under DeChelly sandstone and capped by Shin...
Photograph of DeChelly sandstone at the base of Moses Rock in San Juan Co., Utah, 1914. Photo 893 f...
Monument Pass, Utah from west (Moencopie strata), 1910. Photo from Herbert E. Gregory Book 4: Navajo...
Photo shows the east flank of the Castle Uplift (composed of Navajo sandstone), in San Juan County, ...
Photograph Canyon de Chelly walls in 1913, with Shinarump capping Permian rock. Photo 680 from Herbe...
Photograph of water-eroded cavities in a wall of DeChelly sandstone in Monument Valley in 1914. Pho...
Photograph of one of the rock formations in Monument Valley, Utah, in 1910. Photo no. 317 from Herb...
Photograph of a landscape with Upper Moenkopi strata, looking northeast toward Monument Valley in 19...
Photograph of a landscape with Upper Moenkopi strata, looking northeast toward Monument Valley in 19...
Photograph of Setting Hen Butte in Monument Valley, Utah, with Moenkopi capped by DeChelly rock in 1...