Photograph of beds of sandstone dipping southeast under Black Mesa, as seen from Marsh Pass, Arizona, in 1910. Photo no. 348 from Herbert E. Gregory Book 4: Navajo, San Juan 1910
Photograph of the monocline on southeast side of Skeleton Mesa, 2 miles east of the mouth of Tsegy C...
Photograph of La Plata (Navajo) sandstone near Moenkopi Village, Coconino Co., Arizona, on June 1, 1...
Photograph of Navajo sandstone outcrops in the desert near Tuba City, Arizona, in 1914. Photo 950 ...
Photograph of beds of sandstone dipping southeast under Black Mesa, as seen from Marsh Pass, Arizona...
Photograph by K. C. Heald of La Plata sandstone exposed at Marsh Pass, Arizona,1913. View is northea...
Photograph of a monocline of La Plata (or Wingate) sandstone over Dolores/Chinle formation on the ea...
Photograph by K. C. Heald of La Plata sandstone exposed at Marsh Pass, Arizona, in 1913. Photo 835 f...
Photograph of a monocline of La Plata (or Wingate) sandstone over Dolores (Chinle) formation on the ...
Photograph by K. C. Heald of La Plata sandstone exposed at Marsh Pass, Arizona, in 1913. View is no...
Photograph of Marsh Pass, Arizona, looking east, in 1914. Photo 901 from Herbert E. Gregory Book 7:...
Photograph of Marsh Pass, Arizona, looking west, in 1914. Photo 903 from Herbert E. Gregory Book 7:...
Photograph of Marsh Pass, Arizona, showing recent cutting in alluvial filling by Laguna Creek in 191...
Photograph by K. C. Heald of La Plata sandstone exposed at Marsh Pass, Arizona, in 1913. Photo 837 f...
Photograph of exposed La Plata sandstone at Navajo Springs [location undetermined], Arizona, in 1910...
Photograph of Navajo dry farming in the Laguna Creek valley near Marsh Pass, Arizona, in 1910. Photo...
Photograph of the monocline on southeast side of Skeleton Mesa, 2 miles east of the mouth of Tsegy C...
Photograph of La Plata (Navajo) sandstone near Moenkopi Village, Coconino Co., Arizona, on June 1, 1...
Photograph of Navajo sandstone outcrops in the desert near Tuba City, Arizona, in 1914. Photo 950 ...
Photograph of beds of sandstone dipping southeast under Black Mesa, as seen from Marsh Pass, Arizona...
Photograph by K. C. Heald of La Plata sandstone exposed at Marsh Pass, Arizona,1913. View is northea...
Photograph of a monocline of La Plata (or Wingate) sandstone over Dolores/Chinle formation on the ea...
Photograph by K. C. Heald of La Plata sandstone exposed at Marsh Pass, Arizona, in 1913. Photo 835 f...
Photograph of a monocline of La Plata (or Wingate) sandstone over Dolores (Chinle) formation on the ...
Photograph by K. C. Heald of La Plata sandstone exposed at Marsh Pass, Arizona, in 1913. View is no...
Photograph of Marsh Pass, Arizona, looking east, in 1914. Photo 901 from Herbert E. Gregory Book 7:...
Photograph of Marsh Pass, Arizona, looking west, in 1914. Photo 903 from Herbert E. Gregory Book 7:...
Photograph of Marsh Pass, Arizona, showing recent cutting in alluvial filling by Laguna Creek in 191...
Photograph by K. C. Heald of La Plata sandstone exposed at Marsh Pass, Arizona, in 1913. Photo 837 f...
Photograph of exposed La Plata sandstone at Navajo Springs [location undetermined], Arizona, in 1910...
Photograph of Navajo dry farming in the Laguna Creek valley near Marsh Pass, Arizona, in 1910. Photo...
Photograph of the monocline on southeast side of Skeleton Mesa, 2 miles east of the mouth of Tsegy C...
Photograph of La Plata (Navajo) sandstone near Moenkopi Village, Coconino Co., Arizona, on June 1, 1...
Photograph of Navajo sandstone outcrops in the desert near Tuba City, Arizona, in 1914. Photo 950 ...