TY - RPRT TI - Magmatic intrusion west of Three Sisters, central Oregon, USA: The perspective from spring geochemistry AU - William C. Evans AU - M.C. van Soest AU - Robert H. Mariner AU - S. Hurwitz AU - S. E. Ingebritsen AU - C.W. Wicks AU - M.E. Schmidt PY - 2004 DO - 10.1130/g19974.1 UR - https://pubs.usgs.gov/publication/70027726 ID - 70027726 ER -