Photo shows alluvial fill exposed by recent erosion at Comb Wash, San Juan County, Utah, in 1929. Photograph from Herbert E. Gregory Book 10: San Juan, Zion, Capitol Reef, 1915-193
Photo shows Bluff sandstone and underlying beds at Reservoir, 1 mile west of Bluff, San Juan County,...
Photo shows Wind and water erosion in sandstone. In Zion Canyon on west side of the Virgin River, ab...
Photo shows Entrada sandstone erosion, north branch of Whiskers Creek, looking south, San Juan Count...
Photo shows alluvial fill exposed by recent erosion at Comb Wash, San Juan County, Utah, in 1929. Ph...
Photo shows erosion in Alluvial fill, Cottonwood Wash, San Juan County, Utah, 1928, taken by Fred Lo...
Photo shows a beveled erosion surface above alluvium flat into which is cut Deer Range wash, in Kane...
Photo shows Bluff sandstone and underlying beds at head of Butler Wash, San Juan County, Utah, in 19...
Photo shows recent cutting of alluvium fill, Parunuweap Canyon below Mt. Carmel, Kane County, Utah, ...
Photo shows erosion surface truncating beds below Shinarump sandstone, west of Navajo Springs. Comb ...
Photo shows Bluff sandstone surrounded by alluvian terraced by recent down cutting.Cottonwood Wash i...
Photo shows Capitol Reef wash, cut in Navajo sandstone, Wayne County, Utah, 1935. Photograph from He...
Photo by Carroll H. Wegemann shows an aerial view of erosion by Pleasant Creek of Cretaceous rock al...
Photo shows the front of landslide (entire picture) in Zion Canyon at the mouth of Birch Creek, Wash...
Photo of Edna Hope Gregory and Entrada sandstone in a Dry Wash, San Juan County, Utah, 1927. Photogr...
Photo shows a view looking north up Butler Wash in San Juan County, Utah, 1929. Left: Navajo sandsto...
Photo shows Bluff sandstone and underlying beds at Reservoir, 1 mile west of Bluff, San Juan County,...
Photo shows Wind and water erosion in sandstone. In Zion Canyon on west side of the Virgin River, ab...
Photo shows Entrada sandstone erosion, north branch of Whiskers Creek, looking south, San Juan Count...
Photo shows alluvial fill exposed by recent erosion at Comb Wash, San Juan County, Utah, in 1929. Ph...
Photo shows erosion in Alluvial fill, Cottonwood Wash, San Juan County, Utah, 1928, taken by Fred Lo...
Photo shows a beveled erosion surface above alluvium flat into which is cut Deer Range wash, in Kane...
Photo shows Bluff sandstone and underlying beds at head of Butler Wash, San Juan County, Utah, in 19...
Photo shows recent cutting of alluvium fill, Parunuweap Canyon below Mt. Carmel, Kane County, Utah, ...
Photo shows erosion surface truncating beds below Shinarump sandstone, west of Navajo Springs. Comb ...
Photo shows Bluff sandstone surrounded by alluvian terraced by recent down cutting.Cottonwood Wash i...
Photo shows Capitol Reef wash, cut in Navajo sandstone, Wayne County, Utah, 1935. Photograph from He...
Photo by Carroll H. Wegemann shows an aerial view of erosion by Pleasant Creek of Cretaceous rock al...
Photo shows the front of landslide (entire picture) in Zion Canyon at the mouth of Birch Creek, Wash...
Photo of Edna Hope Gregory and Entrada sandstone in a Dry Wash, San Juan County, Utah, 1927. Photogr...
Photo shows a view looking north up Butler Wash in San Juan County, Utah, 1929. Left: Navajo sandsto...
Photo shows Bluff sandstone and underlying beds at Reservoir, 1 mile west of Bluff, San Juan County,...
Photo shows Wind and water erosion in sandstone. In Zion Canyon on west side of the Virgin River, ab...
Photo shows Entrada sandstone erosion, north branch of Whiskers Creek, looking south, San Juan Count...