TY - RPRT TI - Preliminary structure contour maps on the top of the Grande Ronde and Wanapum basalts, eastern Washington and northern Idaho AU - Donald A. Swanson AU - J.C. Brown AU - J. L. Anderson AU - R. D. Bentley AU - G. R. Byerly AU - J. N. Gardner AU - T. L. Wright PY - 1979 DO - 10.3133/ofr791364 UR - https://pubs.usgs.gov/publication/ofr791364 ID - ofr791364 ER -