TY - RPRT TI - Detailed study of selenium and other constituents in water, bottom sediment, soil, alfalfa, and biota associated with irrigation drainage in the Uncompahgre Project area and in the Grand Valley, west-central Colorado, 1991-93 AU - D. L. Butler AU - W. G. Wright AU - K. C. Stewart AU - B. C. Osmundson AU - R. P. Krueger AU - D.W. Crabtree PY - 1996 DO - 10.3133/wri964138 UR - https://pubs.usgs.gov/publication/wri964138 ID - wri964138 ER -