TY - RPRT TI - Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Gunnison and Uncompahgre River basins and at Sweitzer Lake, west-central Colorado, 1988-89 AU - D. L. Butler AU - R. P. Krueger AU - B. C. Osmundson AU - A. L. Thompson AU - S.K. McCall PY - 1991 DO - 10.3133/wri914103 UR - https://pubs.usgs.gov/publication/wri914103 ID - wri914103 ER -