Photograph by Chester Longwell showing Furnace Creek with erosion in colored Tertiary beds, 1924, California. Photo from Herbert E. Gregory Book 8: 1915 - 1924
Walls of White Canyon showing forms resulting from erosion of red shale like bands which occur as le...
Photo shows erosion in Mancos shales along a branch of the Fremont River above Caineville. Wayne Cou...
Photograph by Chester Longwell showing Charleston Peak frost blocks with summit peak in the backgrou...
Photograph by Chester Longwell showing Furnace Creek with erosion in colored Tertiary beds, 1924, Ca...
Photograph by Chester Longwell of professor Gregory, Dr. Noble, and Dr. Hewett, Furnace Creek, Calif...
Photograph by Chester Longwell showing a view of Furnace Creek with two automobiles on the road, Fur...
Photograph showing Professor Longwell packing up at Death Valley, California. Field at Furnace Cree...
Photograph by Chester Longwell showing Death Valley, Furnace Creek Ranch with 20-Mule Team Borax wag...
Photograph by Chester Longwell showing Death Valley with salt deposits in California, 9 miles south...
Photograph by Chester Longwell showing Dr. Noble taking a bath in wayside water trough, Furnace Cre...
Photo shows erosion in Alluvial fill, Cottonwood Wash, San Juan County, Utah, 1928, taken by Fred Lo...
Walls of White Canyon showing forms resulting from erosion of red shale like bands which occur as le...
Photo shows erosion in Mancos shales along a branch of the Fremont River above Caineville. Wayne Cou...
Photograph by Chester Longwell showing Charleston Peak frost blocks with summit peak in the backgrou...
Photograph by Chester Longwell showing Furnace Creek with erosion in colored Tertiary beds, 1924, Ca...
Photograph by Chester Longwell of professor Gregory, Dr. Noble, and Dr. Hewett, Furnace Creek, Calif...
Photograph by Chester Longwell showing a view of Furnace Creek with two automobiles on the road, Fur...
Photograph showing Professor Longwell packing up at Death Valley, California. Field at Furnace Cree...
Photograph by Chester Longwell showing Death Valley, Furnace Creek Ranch with 20-Mule Team Borax wag...
Photograph by Chester Longwell showing Death Valley with salt deposits in California, 9 miles south...
Photograph by Chester Longwell showing Dr. Noble taking a bath in wayside water trough, Furnace Cre...
Photo shows erosion in Alluvial fill, Cottonwood Wash, San Juan County, Utah, 1928, taken by Fred Lo...
Walls of White Canyon showing forms resulting from erosion of red shale like bands which occur as le...
Photo shows erosion in Mancos shales along a branch of the Fremont River above Caineville. Wayne Cou...
Photograph by Chester Longwell showing Charleston Peak frost blocks with summit peak in the backgrou...