TY - RPRT TI - Time-variation of hydrothermal discharge at selected sites in the Western United States: Implications for monitoring AU - S. E. Ingebritsen AU - D. L. Galloway AU - E.M. Colvard AU - M.L. Sorey AU - Robert H. Mariner PY - 2001 DO - 10.1016/s0377-0273(01)00207-4 UR - https://pubs.usgs.gov/publication/70023052 ID - 70023052 ER -