TY - RPRT TI - Generalized isopach map of Tertiary sedimentary rocks, western Oregon and Washington and adjacent continental margin AU - Parke Detweiler Snavely AU - Holly Clyde Wagner PY - 1980 DO - 10.3133/ofr80889 UR - https://pubs.usgs.gov/publication/ofr80889 ID - ofr80889 ER -