TY - RPRT TI - Analyses of bottom material collected at nine areas in the Western United States for the DOI irrigation drainage task group AU - R. C. Severson AU - S. A. Wilson AU - J.M. McNeal PY - 1987 DO - 10.3133/ofr87490 UR - https://pubs.usgs.gov/publication/ofr87490 ID - ofr87490 ER -