Author
Geological Survey (U.S.),
Arkansas Geological Survey
1
Arkansas Natural Resources Commission
1
Blackstock, Joshua M.,
1
Duerr, A. D.,
1
Luckey, Richard R.,
1
North Dakota. Department of Health
1
Radig, Scott A.,
1
Schrader, Tony P.,
1
Southwest Florida Water Management District (Fla.)
1
Stephens, Diane M.,
1
Strobel, Michael L.,
1