TY  - BOOK
AU  - Hughes, W. Brian.
TI  - Water-quality in the Upper Colorado River Basin Colorado, 1996-98 / Norman A. Spahr
SN  - 0607954248
PY  - 2000///
CY  - Reston, VA : U.S. Geological Survey
KW  - Water qualit --Colorado Watershed
N1  - Includes bibliographical references
ER  -