TY - RPRT TI - Preliminary reconnaissance geologic maps of the Columbia River Basalt Group in parts of eastern Washington and northern Idaho AU - Donald A. Swanson AU - R. D. Bentley AU - G. R. Byerly AU - J. N. Gardner AU - T. L. Wright PY - 1979 DO - 10.3133/ofr79534 UR - https://pubs.usgs.gov/publication/ofr79534 ID - ofr79534 ER -