Geohydrology and digital simulation of the ground-water flow system in the Umatilla Plateau and Horse Heaven Hills area, Oregon and Washington
Water-resources investigations report ;
Davies-Smith, Ann, author.
Bolke, E. L., author.
Collins, C. A. (Charles Alexander), 1944- author.
Geological Survey (U.S.), issuing body.
Oregon. Water Resources Department.
by A. Davies-Smith, E.L. Bolke, and C.A. Collins.