TY - GEN A2 - Gonthier, Joseph B. A2 - National Regional Aquifer Systems Analysis Program (U.S.) AU - Geological Survey (U.S.), cartographer. CY - Portland, Oregon L2 - https://purl.fdlp.gov/GPO/gpo142384 LA - English PB - [Department of the Interior, United States Geological Survey] PP - Portland, Oregon PY - 1990 TI - Geology, structure, and thickness of hydrogeologic units in part of the Columbia Plateau, Oregon ER -