Major oxide, trace element, and glass chemistry pertinent to regional correlation of Grande Ronde Basalt flows, Columbia River Basalt Group, Washington /

Published 1985

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

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

by Wagner, Richard J.
Published 1994

Ground-water geochemistry of the Columbia Plateau aquifer system, Washington, Oregon, and Idaho.

by Steinkampf, W. C.
Published 1996