Photograph by E. G. Woodruff of the upper member of the La Plata formation (Navajo Sandstone?) at Bluff, Utah, in 1909. Photo no. 166 from Herbert E. Gregory Book 4: Navajo, San Juan, 191
Photo shows Zion member of Navajo sandstone overlain by gypsiferous Carmel formation Sheep Creek, Ka...
Photo shows Brushy Basin member of Morrison formation, Brushy Basin, San Juan County, Utah, 1932. Ph...
Photo shows the upper part of Morrison formation on the east side of Recapture Creek near its mouth....
Photograph by E. G. Woodruff of the upper member of the La Plata formation (Navajo Sandstone?) at Bl...
Photograph of the La Plata sandstone on the south bank of San Juan River near Bluff, Utah, in 1910. ...
Photograph of the La Plata sandstone on the south bank of San Juan River, about 3 miles above Bluff,...
Photo shows views of upper and middle La Plata sandstone, northwest of Bluff, Utah. Photograph from ...
Photograph of the La Plata sandstone on the south bank of San Juan River, about 3 miles below Bluff,...
Photo by Malcolm R. Thorpe shows Upper La Plata sandstone (light-colored) at Johnson Creek, Abajo Mo...
Photograph of rock in the Dolores and La Plata strata, looking west from Oljato, Utah, 1910. Photo ...
Photograph of the view from top of Moses Rock to the inner valley of Comb Ridge, Utah, in 1914. La P...
Photograph showing detail in Upper La Plata (Navajo) sandstone at City Rocks, near Tuba City, Arizon...
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 shows Bluff sandstone (Morrison) 3 miles west of Bluff, San Juan County, Utah, 1932. Photograp...
Photo shows Zion member of Navajo sandstone overlain by gypsiferous Carmel formation Sheep Creek, Ka...
Photo shows Brushy Basin member of Morrison formation, Brushy Basin, San Juan County, Utah, 1932. Ph...
Photo shows the upper part of Morrison formation on the east side of Recapture Creek near its mouth....
Photograph by E. G. Woodruff of the upper member of the La Plata formation (Navajo Sandstone?) at Bl...
Photograph of the La Plata sandstone on the south bank of San Juan River near Bluff, Utah, in 1910. ...
Photograph of the La Plata sandstone on the south bank of San Juan River, about 3 miles above Bluff,...
Photo shows views of upper and middle La Plata sandstone, northwest of Bluff, Utah. Photograph from ...
Photograph of the La Plata sandstone on the south bank of San Juan River, about 3 miles below Bluff,...
Photo by Malcolm R. Thorpe shows Upper La Plata sandstone (light-colored) at Johnson Creek, Abajo Mo...
Photograph of rock in the Dolores and La Plata strata, looking west from Oljato, Utah, 1910. Photo ...
Photograph of the view from top of Moses Rock to the inner valley of Comb Ridge, Utah, in 1914. La P...
Photograph showing detail in Upper La Plata (Navajo) sandstone at City Rocks, near Tuba City, Arizon...
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 shows Bluff sandstone (Morrison) 3 miles west of Bluff, San Juan County, Utah, 1932. Photograp...
Photo shows Zion member of Navajo sandstone overlain by gypsiferous Carmel formation Sheep Creek, Ka...
Photo shows Brushy Basin member of Morrison formation, Brushy Basin, San Juan County, Utah, 1932. Ph...
Photo shows the upper part of Morrison formation on the east side of Recapture Creek near its mouth....
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