TY - RPRT TI - Reconnaissance photointerpretation map of landslides in parts of the Hopland, Kelseyville, and Lower Lake 15-minute quadrangles, Sonoma County, California AU - V. A. Frizzell PY - 1974 DO - 10.3133/mf594 UR - https://pubs.usgs.gov/publication/mf594 ID - mf594 ER -