TY - RPRT TI - Preliminary geologic map of the unincorporated part of the Topanga Quadrangle, Los Angeles County, California AU - R. F. Yerkes AU - R. H. Campbell AU - J. E. Schoellhamer AU - P. W. Birkeland PY - 1973 DO - 10.3133/ofr73367 UR - https://pubs.usgs.gov/publication/ofr73367 ID - ofr73367 ER -