Photograph of wind-carved Permian rock two miles above Tolchaco, Arizona, in 1913. Photo 729 from Herbert E. Gregory Book 6: Navajo, 1913
Photograph of wind-eroded La Plata sandstone near Tuba City, Arizona, 1913. Photo 757 from Herbert E...
Photograph by K. C. Heald of wind beveling in cross-bedded sandstone in the Red Lake Valley, Coconin...
Photograph of Dolores cliffs about 8 miles north of Tolchaco, Coconino Co., Arizona, in 1913. Photo...
Photograph of wind-carved Kaibab rock about 2 miles above Tolchaco, Arizona, in 1913. Photo 732 from...
Photograph of a canyon near Tudecoz Spring with its Upper Permian sandstone walls, about six miles s...
Photograph of a butte of Permian rock near Holbrook, Arizona, in 1913. Photo 716 from Herbert E. Gr...
Photograph of exposed Upper Permian rock in the desert near Holbrook, Arizona, in 1913. Photo 712 f...
Photograph of an Ancestral Puebloan ruins 2 miles above Tolchaco, Arizona, in 1913. Photo 733 from ...
Photograph of a desert landscape at the mouth of Canyon Diablo near Leupp, Arizona, in 1913. Permia...
Photograph of wind-etched rock near Tuba City, Arizona, in 1913. Photo 760 from Herbert E. Gregory ...
Photograph of Upper Permian rock exposed in Bonito Creek Canyon [now Blue Canyon] near Fort Defian...
Photograph of wind-etched rock near Tuba City, Arizona, in 1913. Photo 761 from Herbert E. Gregory ...
Photograph of a desert landscape at the mouth of Canyon Diablo near Leupp, Arizona, in 1913. Permia...
Photograph of Upper Permian rock exposed in Bonito Creek Canyon [now Blue Canyon] near Fort Defian...
Photograph of Dolores cliffs about 8 miles north of Tolchaco, Coconino Co., Arizona, in 1913. Photo...
Photograph of wind-eroded La Plata sandstone near Tuba City, Arizona, 1913. Photo 757 from Herbert E...
Photograph by K. C. Heald of wind beveling in cross-bedded sandstone in the Red Lake Valley, Coconin...
Photograph of Dolores cliffs about 8 miles north of Tolchaco, Coconino Co., Arizona, in 1913. Photo...
Photograph of wind-carved Kaibab rock about 2 miles above Tolchaco, Arizona, in 1913. Photo 732 from...
Photograph of a canyon near Tudecoz Spring with its Upper Permian sandstone walls, about six miles s...
Photograph of a butte of Permian rock near Holbrook, Arizona, in 1913. Photo 716 from Herbert E. Gr...
Photograph of exposed Upper Permian rock in the desert near Holbrook, Arizona, in 1913. Photo 712 f...
Photograph of an Ancestral Puebloan ruins 2 miles above Tolchaco, Arizona, in 1913. Photo 733 from ...
Photograph of a desert landscape at the mouth of Canyon Diablo near Leupp, Arizona, in 1913. Permia...
Photograph of wind-etched rock near Tuba City, Arizona, in 1913. Photo 760 from Herbert E. Gregory ...
Photograph of Upper Permian rock exposed in Bonito Creek Canyon [now Blue Canyon] near Fort Defian...
Photograph of wind-etched rock near Tuba City, Arizona, in 1913. Photo 761 from Herbert E. Gregory ...
Photograph of a desert landscape at the mouth of Canyon Diablo near Leupp, Arizona, in 1913. Permia...
Photograph of Upper Permian rock exposed in Bonito Creek Canyon [now Blue Canyon] near Fort Defian...
Photograph of Dolores cliffs about 8 miles north of Tolchaco, Coconino Co., Arizona, in 1913. Photo...
Photograph of wind-eroded La Plata sandstone near Tuba City, Arizona, 1913. Photo 757 from Herbert E...
Photograph by K. C. Heald of wind beveling in cross-bedded sandstone in the Red Lake Valley, Coconin...
Photograph of Dolores cliffs about 8 miles north of Tolchaco, Coconino Co., Arizona, in 1913. Photo...