TY - RPRT TI - Magnitude and frequency of debris flows, and areas of hazard on Mount Shasta, northern California AU - W. R. Osterkamp AU - C.R. Hupp AU - J. C. Blodgett PY - 1985 DO - 10.3133/ofr85425 UR - https://pubs.usgs.gov/publication/ofr85425 ID - ofr85425 ER -