Black and white photograph by Fred Pack, probably taken during a field trip with his University of Utah geology students in the Fall of 1929. The Colorado River in vicinity of Laguna Dam site north of Yuma, Arizona
Black and white photograph by Fred Pack, probably taken during a field trip to southern Utah and nor...
Black and white photograph by Fred Pack, taken during a trip on the Colorado River below Moab with h...
Black and white photograph by Fred Pack, taken during a field trip with his University of Utah geolo...
Black and white photograph by Fred Pack, probably taken during a field trip with his University of U...
Black and white photograph by Fred Pack, probably taken during a field trip with his University of U...
Black and white photograph by Fred Pack, probably taken during a field trip with his University of U...
Black and white photograph by Fred Pack during a field trip to southern Utah and northern Arizona wi...
Black and white photograph by Fred Pack, probably taken during a field trip with his University of U...
Black and white photograph by Fred Pack during a field trip to southern Utah and northern Arizona wi...
Black and white photograph by Fred Pack, taken during a trip on the Colorado River below Moab with h...
Black and white photograph by Fred Pack, possibly taken during a field trip to southern Utah and nor...
Black and white photograph by Fred Pack, probably taken during a field trip with his University of U...
Black and white photograph by Fred Pack, probably taken during a field trip to southern Utah and nor...
Black and white photograph by Fred Pack, taken during a trip on the Colorado River below Moab with h...
Black and white photograph by Fred Pack, taken during a field trip with his University of Utah geolo...
Black and white photograph by Fred Pack, probably taken during a field trip with his University of U...
Black and white photograph by Fred Pack, probably taken during a field trip with his University of U...
Black and white photograph by Fred Pack, probably taken during a field trip with his University of U...
Black and white photograph by Fred Pack during a field trip to southern Utah and northern Arizona wi...
Black and white photograph by Fred Pack, probably taken during a field trip with his University of U...
Black and white photograph by Fred Pack during a field trip to southern Utah and northern Arizona wi...
Black and white photograph by Fred Pack, taken during a trip on the Colorado River below Moab with h...
Black and white photograph by Fred Pack, possibly taken during a field trip to southern Utah and nor...
Black and white photograph by Fred Pack, probably taken during a field trip with his University of U...
Black and white photograph by Fred Pack, probably taken during a field trip to southern Utah and nor...
Black and white photograph by Fred Pack, taken during a trip on the Colorado River below Moab with h...
Black and white photograph by Fred Pack, taken during a field trip with his University of Utah geolo...