Photograph of the view from top of Moses Rock to the inner valley of Comb Ridge, Utah, in 1914. La Plata sandstone is on the right, DeChelly sandstone on the left. Photo 891 from Herbert E. Gregory Book 7: Navajo, 1913, 1914
Photograph by E. G. Woodruff of the upper member of the La Plata formation (Navajo Sandstone?) at Bl...
Photograph of sandstone formations on the north side of Navajo Mountain in San Juan County, Utah, 19...
Photo shows a view looking north from mouth of Comb Wash. Left: Coconino (light bands) over Supai. R...
Photograph of the view from top of Moses Rock to the inner valley of Comb Ridge, Utah, in 1914. La P...
Photograph of the view from east of Moses Rock to the inner valley of Comb Ridge, Utah, in 1914. Win...
Photograph of DeChelly sandstone at the base of Moses Rock in San Juan Co., Utah, 1914. Photo 893 f...
Photograph of tilted sandstone layers at a comb ridge, possibly in San Juan County, Utah, in 1913. ...
Photograph of the edge of Comb Ridge, Utah, looking southwest in 1914. Photo 887 from Herbert E. Gr...
Photograph of the view south from near Mule Ear, Utah, along the Chinle Creek Valley and Comb Ridge ...
Photo shows sandstone (probably Navajo) and overlying beds in canyon about 12 miles east of Utah Col...
Photograph of a view north along a dike in the Moses Rock area, Utah, 1914. Photo 917 from Herbert ...
Photo shows a view looking north up Butler Wash in San Juan County, Utah, 1929. Left: Navajo sandsto...
Photograph of La Plata sandstone cliffs in Piute Canyon near Arizona-Utah border in 1913. Photo 651...
Photo shows sandstone (probably Navajo) and overlying beds in canyon about 12 miles east of Utah Col...
Photo showing west face of Comb Ridge monocline looking north along Comb Wash, 2 miles north of Nava...
Photograph by E. G. Woodruff of the upper member of the La Plata formation (Navajo Sandstone?) at Bl...
Photograph of sandstone formations on the north side of Navajo Mountain in San Juan County, Utah, 19...
Photo shows a view looking north from mouth of Comb Wash. Left: Coconino (light bands) over Supai. R...
Photograph of the view from top of Moses Rock to the inner valley of Comb Ridge, Utah, in 1914. La P...
Photograph of the view from east of Moses Rock to the inner valley of Comb Ridge, Utah, in 1914. Win...
Photograph of DeChelly sandstone at the base of Moses Rock in San Juan Co., Utah, 1914. Photo 893 f...
Photograph of tilted sandstone layers at a comb ridge, possibly in San Juan County, Utah, in 1913. ...
Photograph of the edge of Comb Ridge, Utah, looking southwest in 1914. Photo 887 from Herbert E. Gr...
Photograph of the view south from near Mule Ear, Utah, along the Chinle Creek Valley and Comb Ridge ...
Photo shows sandstone (probably Navajo) and overlying beds in canyon about 12 miles east of Utah Col...
Photograph of a view north along a dike in the Moses Rock area, Utah, 1914. Photo 917 from Herbert ...
Photo shows a view looking north up Butler Wash in San Juan County, Utah, 1929. Left: Navajo sandsto...
Photograph of La Plata sandstone cliffs in Piute Canyon near Arizona-Utah border in 1913. Photo 651...
Photo shows sandstone (probably Navajo) and overlying beds in canyon about 12 miles east of Utah Col...
Photo showing west face of Comb Ridge monocline looking north along Comb Wash, 2 miles north of Nava...
Photograph by E. G. Woodruff of the upper member of the La Plata formation (Navajo Sandstone?) at Bl...
Photograph of sandstone formations on the north side of Navajo Mountain in San Juan County, Utah, 19...
Photo shows a view looking north from mouth of Comb Wash. Left: Coconino (light bands) over Supai. R...