TY - RPRT TI - Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Sun River area, west-central Montana, 1986-87 AU - J. R. Knapton AU - W. E. Jones AU - J. W. Sutphin PY - 1988 DO - 10.3133/wri874244 UR - https://pubs.usgs.gov/publication/wri874244 ID - wri874244 ER -