Author
Geological Survey (U.S.)
8
Aero Surveys Ltd
7
Pearson, DeRidder, & Johnson, Inc
7
Campbell, David L.
1
Dent, Guy E.
1
Erwin, John W.
1
Hemberger, S. J.
1
Idaho Bureau of Mines and Geology
1
Kuehn, Hugo E.
1
Lee, Frederick W. 1889-1964
1
McIntosh, F. K.
1
Mosier, McHenry
1
Neumann, G. L.
1
Phillips, W. B. 1857-1918
1
Savage, C. N., 1916-1979
1
ScienceDirect (Online service)
1
Stampe, J. A.
1
Swartz, Joel H. 1893-
1
Zhdanov, Michael S.
1