Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality, 1994 /
Appel, Charles A.
Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality, 1994 / by Charles A. Appel and Thomas E. Reilly - Washington : U.S. Government Printing Office, 1994 - 98 p. : 27 cm. - U.S. Geological Survey circular ; 1104 .
Summary of selected computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality, 1994 / by Charles A. Appel and Thomas E. Reilly - Washington : U.S. Government Printing Office, 1994 - 98 p. : 27 cm. - U.S. Geological Survey circular ; 1104 .