Photo shows Entrada formation, with gypsiferous Curtis formation above, near mouth of Crystal Creek, Washington County, Utah, in 1939. Photograph from Herbert E. Gregory Book 11: Colorado Plateau, 1938-194
Photo shows gypsum bed, with Curtis overlying Entrada, in Averett Wash, Kane County, Utah, in 1940. ...
Photo shows consolidated river gravel overlying eroded Entrada(?) sandstone 300 feet above Paria Riv...
Photo shows Virgin limestone member and middle red beds of the Moenkopi formation at Taylor Creek, W...
Photo shows Entrada formation, with gypsiferous Curtis formation above, near mouth of Crystal Creek,...
Photo shows Entrada sandstone (bottom) in contact with shales and gypsum of Curtis formation, in the...
Photo shows Carmel formation and Entrada (upper right) exposed near the mouth of Deep Creek in Washi...
Photo shows Entrada, Curtis, and Winsor formations overlain by Dakota (extreme top), along the Alton...
Photo of Antimony Canyon, Garfield County, Utah, 1943. Entrada sandstone, regular bedded shaly phas...
Photo shows gypsum of Curtis formation (cliff at top) and Entrada (slope), on Short Branch of Parunu...
Photo shows upper beds of the Tropic formation near the head of Deep Creek in Washington County, Uta...
Photo shows erosion features in Entrada sandstone at Antimony Canyon, Garfield County, Utah, in 1943...
Photo shows Virgin limestone member (top) and lower red beds of the Moenkopi formation at Taylor Cre...
Photo shows rock formations at Meadow Brook Canyon, Kane County, Utah, 1939: Carmel (bottom), Entrad...
Photo shows Gypsum in Curtis formation near Highway 89 crossing of Muddy Brook, Kane County, Utah, i...
Photo shows the Shnabkaib member (left) and upper red beds of Moenkopi formation at Taylor Creek in ...
Photo shows gypsum bed, with Curtis overlying Entrada, in Averett Wash, Kane County, Utah, in 1940. ...
Photo shows consolidated river gravel overlying eroded Entrada(?) sandstone 300 feet above Paria Riv...
Photo shows Virgin limestone member and middle red beds of the Moenkopi formation at Taylor Creek, W...
Photo shows Entrada formation, with gypsiferous Curtis formation above, near mouth of Crystal Creek,...
Photo shows Entrada sandstone (bottom) in contact with shales and gypsum of Curtis formation, in the...
Photo shows Carmel formation and Entrada (upper right) exposed near the mouth of Deep Creek in Washi...
Photo shows Entrada, Curtis, and Winsor formations overlain by Dakota (extreme top), along the Alton...
Photo of Antimony Canyon, Garfield County, Utah, 1943. Entrada sandstone, regular bedded shaly phas...
Photo shows gypsum of Curtis formation (cliff at top) and Entrada (slope), on Short Branch of Parunu...
Photo shows upper beds of the Tropic formation near the head of Deep Creek in Washington County, Uta...
Photo shows erosion features in Entrada sandstone at Antimony Canyon, Garfield County, Utah, in 1943...
Photo shows Virgin limestone member (top) and lower red beds of the Moenkopi formation at Taylor Cre...
Photo shows rock formations at Meadow Brook Canyon, Kane County, Utah, 1939: Carmel (bottom), Entrad...
Photo shows Gypsum in Curtis formation near Highway 89 crossing of Muddy Brook, Kane County, Utah, i...
Photo shows the Shnabkaib member (left) and upper red beds of Moenkopi formation at Taylor Creek in ...
Photo shows gypsum bed, with Curtis overlying Entrada, in Averett Wash, Kane County, Utah, in 1940. ...
Photo shows consolidated river gravel overlying eroded Entrada(?) sandstone 300 feet above Paria Riv...
Photo shows Virgin limestone member and middle red beds of the Moenkopi formation at Taylor Creek, W...