Add to ORKGBlack and white photograph by Fred Pack during a field trip to southern Utah and northern Arizona with University of Utah geology students in May of 1932. Proterozoic-Cambrian unconformity, seen at Cape Royal, north rim of the Grand Canyon
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
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, taken during a field trip with his University of Utah geolo...
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, taken during a field trip with his University of Utah geolo...
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, taken during a field trip with his University of Utah geolo...
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 during a field trip to southern Utah and northern ...
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 during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
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, taken during a field trip with his University of Utah geolo...
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, taken during a field trip with his University of Utah geolo...
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, taken during a field trip with his University of Utah geolo...
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 during a field trip to southern Utah and northern ...
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 during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...
Black and white photograph by Fred Pack, probably during a field trip to southern Utah and northern ...