Photo shows details of the middle Moenkopi sandstone at the head of Comb Wash in San Juan County, Utah, 1927. Photograph from Herbert E. Gregory Book 9: Utah, California, 1924-1928
Photo showing contact of Moenkopi (right) with shales occupying the position of the Coconino sandsto...
Photo shows upper part of the Moenkopi formation, consisting of chocolate-colored sandstone and sla...
Photo shows part of Moenkopi section with vegetation on the slopes, Allen Canyon, San Juan County, U...
Photo shows details of the middle Moenkopi sandstone at the head of Comb Wash in San Juan County, Ut...
Photo shows Moenkopi sandstone at head of Comb Wash looking north across Milk Ranch Point, San Juan ...
Photo shows Moenkopi formation (lower and middle sections) in White Canyon. San Juan County, UT, 192...
Photo shows a view of upper Moenkopi formation near Clay Hills Divide capped with Shinarump sandston...
Photo shows part of Moenkopi section, lower heavy bed, Allen Canyon, San Juan County, Utah, 1925. P...
Photo shows part of Moenkopi section, Allen Canyon, San Juan County, Utah, 1925. Photograph from Her...
Photo showing contact of Moenkopi (right) with shales occupying the position of the Coconino sandsto...
Photo shows upper part of the Moenkopi formation, consisting of chocolate-colored sandstone and sla...
Photo shows part of Moenkopi section with vegetation on the slopes, Allen Canyon, San Juan County, U...
Photo shows details of the middle Moenkopi sandstone at the head of Comb Wash in San Juan County, Ut...
Photo shows Moenkopi sandstone at head of Comb Wash looking north across Milk Ranch Point, San Juan ...
Photo shows Moenkopi formation (lower and middle sections) in White Canyon. San Juan County, UT, 192...
Photo shows a view of upper Moenkopi formation near Clay Hills Divide capped with Shinarump sandston...
Photo shows part of Moenkopi section, lower heavy bed, Allen Canyon, San Juan County, Utah, 1925. P...
Photo shows part of Moenkopi section, Allen Canyon, San Juan County, Utah, 1925. Photograph from Her...
Photo showing contact of Moenkopi (right) with shales occupying the position of the Coconino sandsto...
Photo shows upper part of the Moenkopi formation, consisting of chocolate-colored sandstone and sla...
Photo shows part of Moenkopi section with vegetation on the slopes, Allen Canyon, San Juan County, U...