Photograph by K. C. Heald of Dolores strata exposed on the east side of Chinle Wash below Round Rock, Arizona, in 1913. Photo 833 from Herbert E. Gregory Book 7: Navajo, 1913, 1914
Photograph of La Plata sandstone cliffs on the west side of Chinle Wash northwest of Chinle, Arizona...
Photograph of rocky terrain of Dolores and La Plata (Wingate) sandstone west of Chinle, Arizona, in ...
Photograph of badlands of Dolores strata near Chinle, Apache Co., Arizona, in 1911. Photo 534 from ...
Photograph by K. C. Heald of Dolores strata exposed on the east side of Chinle Wash below Round Rock...
Photograph by K. C. Heald of two mesas of La Plata and Dolores rock, possibly near Round Rock, Arizo...
Photograph of Lower Dolores strata in hills near Chinle, Apache County, Arizona, in 1913. Photo 605 ...
Photograph of Lower Dolores strata in hills near Chinle, Apache County, Arizona, in 1913. Photo 604 ...
Photograph of cliffs of Dolores strata two miles north of Kayenta, Arizona, in 1913. Photo 642 from...
Photograph of a butte above Lithodendron Wash displaying Dolores rock, in 1913. Photo 778 from Herb...
Photograph of the lower Pueblo Colorado wash southwest of Ganado, Arizona, with Upper Dolores strata...
Photograph of middle Dolores marls in hills about five miles south of Tsenakahn (Round Rock), in Apa...
Photograph of Dolores cliffs about 8 miles north of Tolchaco, Coconino Co., Arizona, in 1913. Photo...
Photograph of middle Dolores marls in hills about five miles south of Tsenakahn (Round Rock), in Apa...
Photograph by K. C. Heald of cliffs east of the Little Colorado's Black Falls, displaying Dolores st...
Photograph of a view toward Tsenakahn (Round Rock) and other mesas in the Chinle Valley, Arizona, in...
Photograph of La Plata sandstone cliffs on the west side of Chinle Wash northwest of Chinle, Arizona...
Photograph of rocky terrain of Dolores and La Plata (Wingate) sandstone west of Chinle, Arizona, in ...
Photograph of badlands of Dolores strata near Chinle, Apache Co., Arizona, in 1911. Photo 534 from ...
Photograph by K. C. Heald of Dolores strata exposed on the east side of Chinle Wash below Round Rock...
Photograph by K. C. Heald of two mesas of La Plata and Dolores rock, possibly near Round Rock, Arizo...
Photograph of Lower Dolores strata in hills near Chinle, Apache County, Arizona, in 1913. Photo 605 ...
Photograph of Lower Dolores strata in hills near Chinle, Apache County, Arizona, in 1913. Photo 604 ...
Photograph of cliffs of Dolores strata two miles north of Kayenta, Arizona, in 1913. Photo 642 from...
Photograph of a butte above Lithodendron Wash displaying Dolores rock, in 1913. Photo 778 from Herb...
Photograph of the lower Pueblo Colorado wash southwest of Ganado, Arizona, with Upper Dolores strata...
Photograph of middle Dolores marls in hills about five miles south of Tsenakahn (Round Rock), in Apa...
Photograph of Dolores cliffs about 8 miles north of Tolchaco, Coconino Co., Arizona, in 1913. Photo...
Photograph of middle Dolores marls in hills about five miles south of Tsenakahn (Round Rock), in Apa...
Photograph by K. C. Heald of cliffs east of the Little Colorado's Black Falls, displaying Dolores st...
Photograph of a view toward Tsenakahn (Round Rock) and other mesas in the Chinle Valley, Arizona, in...
Photograph of La Plata sandstone cliffs on the west side of Chinle Wash northwest of Chinle, Arizona...
Photograph of rocky terrain of Dolores and La Plata (Wingate) sandstone west of Chinle, Arizona, in ...
Photograph of badlands of Dolores strata near Chinle, Apache Co., Arizona, in 1911. Photo 534 from ...