TY - RPRT TI - Water-resources investigations of the U.S. Geological Survey in Colorado; fiscal year 1983 AU - R.O. Hawkinson AU - D.J. Lystrom PY - 1983 DO - 10.3133/ofr83138 UR - https://pubs.usgs.gov/publication/ofr83138 ID - ofr83138 ER -