Photo shows the Petrified Forest member of the Chinle formation at Taylor Creek in Washington County, Utah, in 1940. Photograph from Herbert E. Gregory Book 11: Colorado Plateau, 1938-194
Photo shows Straight Cliffs sandstone at the head of Oak Creek in Washington County, Utah, 1940. Ph...
Photo of exposed red beds of Chinle formation near the mouth of Box Elder Canyon in Kane County, Uta...
Photo shows a petrified log near the base of Chinle formation, north of Rockville. Zion National Par...
Photo shows the Petrified Forest member of the Chinle formation at Taylor Creek in Washington County...
Photo of Chinle formation, Petrified Forest member, at the head of Fossil Wood Creek in Kane County,...
Photo shows white sandstone beds between the Springdale and Petrified Forest members of the Chinle f...
Photo shows outcrop of the Chile formation, Petrified Forest member, and upper Chinle beds (at upper...
Photo shows Chinle formation, with Petrified Forest member capped by thick sandstone beds, at Paria ...
Photo of a view of the Vermillion Cliffs from lower Road Creek in Kane County, Utah, 1944. Chinle Fo...
Photo shows Chinle formation at "Petrified Forest" near "Sixteen mile Spring," Kane County, Utah, 19...
Photo shows Virgin limestone member (top) and lower red beds of the Moenkopi formation at Taylor Cre...
Photo shows the Shnabkaib member (left) and upper red beds of Moenkopi formation at Taylor Creek in ...
Photo shows Virgin limestone member and middle red beds of the Moenkopi formation at Taylor Creek, W...
Photo shows a view of the Vermillion Cliffs in Kane County, Utah, in 1944. Geology: Chinle formatio...
Photo shows upper beds of the Tropic formation near the head of Deep Creek in Washington County, Uta...
Photo shows Straight Cliffs sandstone at the head of Oak Creek in Washington County, Utah, 1940. Ph...
Photo of exposed red beds of Chinle formation near the mouth of Box Elder Canyon in Kane County, Uta...
Photo shows a petrified log near the base of Chinle formation, north of Rockville. Zion National Par...
Photo shows the Petrified Forest member of the Chinle formation at Taylor Creek in Washington County...
Photo of Chinle formation, Petrified Forest member, at the head of Fossil Wood Creek in Kane County,...
Photo shows white sandstone beds between the Springdale and Petrified Forest members of the Chinle f...
Photo shows outcrop of the Chile formation, Petrified Forest member, and upper Chinle beds (at upper...
Photo shows Chinle formation, with Petrified Forest member capped by thick sandstone beds, at Paria ...
Photo of a view of the Vermillion Cliffs from lower Road Creek in Kane County, Utah, 1944. Chinle Fo...
Photo shows Chinle formation at "Petrified Forest" near "Sixteen mile Spring," Kane County, Utah, 19...
Photo shows Virgin limestone member (top) and lower red beds of the Moenkopi formation at Taylor Cre...
Photo shows the Shnabkaib member (left) and upper red beds of Moenkopi formation at Taylor Creek in ...
Photo shows Virgin limestone member and middle red beds of the Moenkopi formation at Taylor Creek, W...
Photo shows a view of the Vermillion Cliffs in Kane County, Utah, in 1944. Geology: Chinle formatio...
Photo shows upper beds of the Tropic formation near the head of Deep Creek in Washington County, Uta...
Photo shows Straight Cliffs sandstone at the head of Oak Creek in Washington County, Utah, 1940. Ph...
Photo of exposed red beds of Chinle formation near the mouth of Box Elder Canyon in Kane County, Uta...
Photo shows a petrified log near the base of Chinle formation, north of Rockville. Zion National Par...