TY - RPRT TI - Preliminary determinations of sediment discharge, San Juan Drainage Basin, Orange, Riverside, and San Diego Counties, California AU - Carl G. Kroll AU - George Porterfield PY - 1969 DO - 10.3133/ofr69146 UR - https://pubs.usgs.gov/publication/ofr69146 ID - ofr69146 ER -