TY - RPRT TI - Preliminary geologic map of the Dolph quadrangle, Lincoln, Tillamook, and Yamhill counties, Oregon AU - Parke Detweiler Snavely AU - Norman S. MacLeod AU - Diane L. Minasian PY - 1991 DO - 10.3133/ofr91277 UR - https://pubs.usgs.gov/publication/ofr91277 ID - ofr91277 ER -