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 /
by David L. Butler ... [et al.] ; U.S. Geological Survey ... [et al.]

APA Citation

Butler, D. L. (David Louis)., Geological Survey (U.S.). (1996). 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. Denver, Colo.: U.S. Geological Survey .

MLA Citation

Butler, David L. (David Louis), 1946-, and Geological Survey (U.S.). 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. Denver, Colo.: U.S. Geological Survey , 1996.