Documentation of a multiple-technique computer program for plotting major-ion composition of natural waters /

by Briel, L. I.
Published 1993

Archiving of source code for the finite-difference flow model and the post-processors and input and output files for the Columbia Plateau regional aquifer system, Washington, Orego...

by Hansen, Arnold J., 1932-
Published 1993

Modifications to the modular three-dimensional finite-difference ground-water flow model used for the Columbia Plateau regional aquifer-system analysis, Washington, Oregon, and Ida...

by Hansen, Arnold J., 1932-
Published 1993

Conceptual evaluation of regional ground-water flow in the carbonate-rock province of the Great Basin, Nevada, Utah, and adjacent states /

by Prudic, David E.
Published 1993

Selected ground-water information for the Columbia Plateau Regional Aquifer System, Washington and Oregon, 1982-1985.

by Wagner, Richard J.
Published 1994