Photo showing contact of Supai (left) and shales occupying the position of the Coconino sandstone (right), west of Navajo Springs. Comb Wash and Comb Monocline in the background. San Juan County, Utah, 1928. Photograph from Herbert E. Gregory Book 9: Utah, California, 1924-1928
Photo shows a view looking north from mouth of Comb Wash. Left: Coconino (light bands) over Supai. R...
Photo shows Coconino sandstone on rim of Grand Gulch near Dripping Springs. Recession of cliff along...
Photo shows probably Coconino sandstone at Dripping Springs, Grand Gulch, showing irregular bedding ...
Photo showing contact of Supai (left) and shales occupying the position of the Coconino sandstone (r...
Photo of Supai and overlying shales replacing Coconino sandstone, 2 miles west of Comb Wash possibly...
Photo showing contact of Moenkopi (right) with shales occupying the position of the Coconino sandsto...
Photo shows Fish Canyon near its head, with Comb monocline in the distance, in San Juan County, Utah...
Photo shows Cedar mesa looking north from edge of Johns Canyon, San Juan County, Utah, 1928. Image o...
Photo shows Coconino marls overlying Supai red beds. West side of Comb Wash near mouth. San Juan Co...
Photo shows a view of Trail Canyon with Coconino sandstone on Supai, San Juan County, Utah, 1928. Ph...
Photo shows a view of Dark Canyon with probably Coconino sandstone overlaid by Moenkopi formation an...
Photo shows Arch Canyon with Coconino Sandstone overlying Supai strata, San Juan County, Utah. Photo...
Photo shows probably Supa beds below Coconino sandstone near Cathedral Arch, San Juan County, Utah,...
Photo shows a view looking north from mouth of Comb Wash. Left: Coconino (light bands) over Supai. R...
Photo shows Coconino sandstone on rim of Grand Gulch near Dripping Springs. Recession of cliff along...
Photo shows probably Coconino sandstone at Dripping Springs, Grand Gulch, showing irregular bedding ...
Photo showing contact of Supai (left) and shales occupying the position of the Coconino sandstone (r...
Photo of Supai and overlying shales replacing Coconino sandstone, 2 miles west of Comb Wash possibly...
Photo showing contact of Moenkopi (right) with shales occupying the position of the Coconino sandsto...
Photo shows Fish Canyon near its head, with Comb monocline in the distance, in San Juan County, Utah...
Photo shows Cedar mesa looking north from edge of Johns Canyon, San Juan County, Utah, 1928. Image o...
Photo shows Coconino marls overlying Supai red beds. West side of Comb Wash near mouth. San Juan Co...
Photo shows a view of Trail Canyon with Coconino sandstone on Supai, San Juan County, Utah, 1928. Ph...
Photo shows a view of Dark Canyon with probably Coconino sandstone overlaid by Moenkopi formation an...
Photo shows Arch Canyon with Coconino Sandstone overlying Supai strata, San Juan County, Utah. Photo...
Photo shows probably Supa beds below Coconino sandstone near Cathedral Arch, San Juan County, Utah,...
Photo shows a view looking north from mouth of Comb Wash. Left: Coconino (light bands) over Supai. R...
Photo shows Coconino sandstone on rim of Grand Gulch near Dripping Springs. Recession of cliff along...
Photo shows probably Coconino sandstone at Dripping Springs, Grand Gulch, showing irregular bedding ...