Author
Geological Society of America
9
Geological Survey (U.S.)
5
Haworth, R. T.
4
Keen, C. E.
4
Decade of North American Geology Project
3
Ryder, Robert T.
3
Ortega-Gutiérrez, Fernando
2
Swezey, C. (Christopher)
2
Addison, John
1
Balkwill, H. R.
1
Blake, Clark
1
Blanton, Jackson O.
1
Bramwell, Martyn
1
Brandon, M. T. (Mark Thomas)
1
Cowan, Darrell S.
1
Earle, Sylvia A., 1935-
1
Glover, Linda K.
1
Kay, W. (William), D.D
1
Malby & Co
1
Mayr, Ulrich
1
Mitre-Salazar, Luis Miguel
1
National Climatic Center
1
National Geographic Society (U.S.)
1
Newton, John G. (John Garland), 1932-1984
1
North Carolina. Department of Conservation and Development
1
Ortman, B. H.
1
Pilkey, Orrin H., 1934-
1
Potter, Christopher J.
1
Roldan Q., Jaime (Roldan Quintana)
1
Slade, H.
1
Spilhaus, Athelstan
1
Sweeney, J. F.
1
United States. Naval Weather Service Command
1
United States. Naval Weather Service Detachment
1
Williams, H.
1