TY - RPRT TI - Ground-water geochemistry of the Columbia Plateau aquifer system, Washington, Oregon, and Idaho AU - W.C. Steinkampf AU - P.P. Hearn PY - 1996 DO - 10.3133/ofr95467 UR - https://pubs.usgs.gov/publication/ofr95467 ID - ofr95467 ER -