TY - RPRT TI - Field screening of water quality, bottom sediment, and biota associated with irrigation drainage in the Helena Valley, west-central Montana, 1995 AU - Eloise Kendy AU - Bill Olsen AU - J.C. Malloy PY - 1998 DO - 10.3133/wri974214 UR - https://pubs.usgs.gov/publication/wri974214 ID - wri974214 ER -