TY - RPRT TI - Report of hydrologic investigations in the Three Sisters area of central Oregon, Summer 2001 AU - William C. Evans AU - Robert H. Mariner AU - Steven E. Ingebritsen AU - B. Mack Kennedy AU - Matthias C. van Soest AU - Mark A. Huebner PY - 2002 DO - 10.3133/wri024061 UR - https://pubs.usgs.gov/publication/wri024061 ID - wri024061 ER -