Author
United States. Bureau of Mines
Aljoe, William W.
1
Bauer, Eric R.
1
Brooks, Rovert P.
1
Cervik, Joseph
1
Chase, Frank E.
1
Chekan, G. J.
1
Diamond, W. P.
1
Goodman, Tobias W.
1
Hawkins, Jay W.
1
Ingram, David K.
1
Kravits, S. J.
1
Pennsylvania State University. Department of Biology
1
Pennsylvania State University. Environmental Resources Research Institute
1
Sames, Gary P.
1
Stark, Lloyd R.
1
Tarutis, William John
1
Ulery, J. P.
1