Photo shows upper part of the Moenkopi formation, consisting of chocolate-colored sandstone and slabs of talus, San Juan County, Utah, 1925. Photograph from Herbert E. Gregory Book 9: Utah, California, 1924-1928
Photo shows details of the middle Moenkopi sandstone at the head of Comb Wash in San Juan County, Ut...
Photo shows weathering patterns in a rock outcrop made of middle Moenkopi sandstone near Clay Hills ...
Photo shows the upper Moenkopi formation (Shanabkaib member at base showing sandstone ledge, Shinaru...
Photo shows upper part of the Moenkopi formation, consisting of chocolate-colored sandstone and sla...
Photo shows a view of upper Moenkopi formation near Clay Hills Divide capped with Shinarump sandston...
Photo shows the southwest face of Elk Ridge in San Juan County, Utah, in 1928. Geology includes sand...
Photo shows Moenkopi formation (lower and middle sections) in White Canyon. San Juan County, UT, 192...
Photo showing contact of Moenkopi (right) with shales occupying the position of the Coconino sandsto...
Photo shows a view of southwest face of Elk Ridge on Blanding road to Natural Bridges, San Juan Coun...
Photo shows details of the middle Moenkopi sandstone at the head of Comb Wash in San Juan County, Ut...
Photo shows weathering patterns in a rock outcrop made of middle Moenkopi sandstone near Clay Hills ...
Photo shows the upper Moenkopi formation (Shanabkaib member at base showing sandstone ledge, Shinaru...
Photo shows upper part of the Moenkopi formation, consisting of chocolate-colored sandstone and sla...
Photo shows a view of upper Moenkopi formation near Clay Hills Divide capped with Shinarump sandston...
Photo shows the southwest face of Elk Ridge in San Juan County, Utah, in 1928. Geology includes sand...
Photo shows Moenkopi formation (lower and middle sections) in White Canyon. San Juan County, UT, 192...
Photo showing contact of Moenkopi (right) with shales occupying the position of the Coconino sandsto...
Photo shows a view of southwest face of Elk Ridge on Blanding road to Natural Bridges, San Juan Coun...
Photo shows details of the middle Moenkopi sandstone at the head of Comb Wash in San Juan County, Ut...
Photo shows weathering patterns in a rock outcrop made of middle Moenkopi sandstone near Clay Hills ...
Photo shows the upper Moenkopi formation (Shanabkaib member at base showing sandstone ledge, Shinaru...