Photograph of a landslide on the slopes of the Shinarump Cliffs near Fredonia, Arizona. From Herbert E. Gregory Book 1, page 5
Photo shows the top of old landslide, east of Birch Creek, Zion Canyon, 1936. Photograph from Herber...
Photo shows the front of landslide (entire picture) in Zion Canyon at the mouth of Birch Creek, Wash...
Photo shows landslides in Chinle formation near mouth of the Parunuweap, with Springdale member (rig...
Photograph of a landslide on the slopes of the Shinarump Cliffs near Fredonia, Arizona. From Herbert...
Photograph of the Vermillion Cliffs in northern Arizona, with landslides. From Herbert E. Gregory Bo...
Photograph of the Vermillion Cliffs in northern Arizona, with landslides. From Herbert E. Gregory Bo...
Photograph of a landslide near Sunrise Springs, Apache County, Arizona, in 1909. From Herbert E. Gre...
Photograph of a balanced rock of Shinarump sandstone at the base of the Vermilion Cliffs in northern...
Photograph of landslides at Jacobs Pool in the House Rock Valley near the Vermillion Cliffs in north...
Photograph of members of the Herbert Gregory party camping below the Vermillion Cliffs in northern A...
Photo shows a landslide (right) covered by talus, Zion Canyon, 1936. Photograph from Herbert E. Greg...
Photograph of cliffs along Moenkopi Wash near Tuba City, Arizona in 1900. From Herbert E. Gregory Bo...
Photo shows a landslide, 1 mile south of Springdale, Washington County, UT. 1939, covering strata fr...
Photo shows the top of old landslide, east of Birch Creek, Zion Canyon, 1936. Photograph from Herber...
Photo shows the front of landslide (entire picture) in Zion Canyon at the mouth of Birch Creek, Wash...
Photo shows landslides in Chinle formation near mouth of the Parunuweap, with Springdale member (rig...
Photograph of a landslide on the slopes of the Shinarump Cliffs near Fredonia, Arizona. From Herbert...
Photograph of the Vermillion Cliffs in northern Arizona, with landslides. From Herbert E. Gregory Bo...
Photograph of the Vermillion Cliffs in northern Arizona, with landslides. From Herbert E. Gregory Bo...
Photograph of a landslide near Sunrise Springs, Apache County, Arizona, in 1909. From Herbert E. Gre...
Photograph of a balanced rock of Shinarump sandstone at the base of the Vermilion Cliffs in northern...
Photograph of landslides at Jacobs Pool in the House Rock Valley near the Vermillion Cliffs in north...
Photograph of members of the Herbert Gregory party camping below the Vermillion Cliffs in northern A...
Photo shows a landslide (right) covered by talus, Zion Canyon, 1936. Photograph from Herbert E. Greg...
Photograph of cliffs along Moenkopi Wash near Tuba City, Arizona in 1900. From Herbert E. Gregory Bo...
Photo shows a landslide, 1 mile south of Springdale, Washington County, UT. 1939, covering strata fr...
Photo shows the top of old landslide, east of Birch Creek, Zion Canyon, 1936. Photograph from Herber...
Photo shows the front of landslide (entire picture) in Zion Canyon at the mouth of Birch Creek, Wash...
Photo shows landslides in Chinle formation near mouth of the Parunuweap, with Springdale member (rig...