TY - RPRT TI - ORIGIN OF THERMAL FLUIDS AT LASSEN VOLCANIC NATIONAL PARK: EVIDENCE FROM NOBLE AND REACTIVE GAS ABUNDANCES. AU - Alfred H. Truesdell AU - Emanuel Mazor AU - Nancy L. Nehring PY - 1983 UR - https://pubs.usgs.gov/publication/70011233 ID - 70011233 ER -