Collier, Charles R.
Influences of strip mining on the hydrologic environment of parts of Beaver creek basin Kentucky, 1955-59 / by Charles R. Collier. -- Washington : United States Government Printing Office, 1964 - 83 p. + map. -- (Geological Survey Professional Paper ; 427-B).
Hidrología
556
Influences of strip mining on the hydrologic environment of parts of Beaver creek basin Kentucky, 1955-59 / by Charles R. Collier. -- Washington : United States Government Printing Office, 1964 - 83 p. + map. -- (Geological Survey Professional Paper ; 427-B).
Hidrología
556