Author
Geological Survey (U.S.)
6
Architectural Resources Group
4
United States. National Park Service
4
United States. National Park Service. Denver Service Center
3
Grand Canyon Monitoring and Research Center
2
United States. Bureau of Reclamation
2
Collins, Brian
1
Collins, Brian D.
1
Draut, Amy E.
1
Hazel, Joseph E. 1962-
1
John Milner Associates
1
Kayen, Robert
1
Kayen, Robert E.
1
Minasian, Diane
1
Monroe, Stephen A.
1
Northern Arizona University
1
Rubin, David M.
1
Western Coastal and Marine Geology Program (Geological Survey)
1
Wiele, Stephen Mark
1