TY - RPRT TI - Measurements of heat and mass flow from thermal areas in Lassen Volcanic National Park, California, 1984-93 AU - Michael L. Sorey AU - Elizabeth M. Colvard PY - 1994 DO - 10.3133/wri944180a UR - https://pubs.usgs.gov/publication/wri944180A ID - wri944180A ER -