TY - RPRT TI - Hydrogeology and aquifer sensitivity of the Bitterroot Valley, Ravalli County, Montana AU - David W. Briar AU - DeAnn M. Dutton PY - 2000 DO - 10.3133/wri994219 UR - https://pubs.usgs.gov/publication/wri994219 ID - wri994219 ER -