TY - RPRT TI - Water Resources Data, Colorado, Water Year 1999--Volume 2. Colorado River Basin AU - R.M. Crowfoot AU - J.W. Unruh AU - G.F. Ritz AU - R.W. Boulger AU - G. B. O’Neill PY - 2000 DO - 10.3133/wdrco992 UR - https://pubs.usgs.gov/publication/wdrCO992 ID - wdrCO992 ER -