TY - RPRT TI - Geohydrology and digital simulation of the ground-water flow system in the Umatilla Plateau and Horse Heaven Hills area, Oregon and Washington AU - A. Davies-Smith AU - E.L. Bolke AU - C. A. Collins PY - 1988 DO - 10.3133/wri874268 UR - https://pubs.usgs.gov/publication/wri874268 ID - wri874268 ER -