TY  - RPRT
TI  - Water quality at basic fixed sites in the Upper Colorado River basin National Water-Quality Assessment study unit, October 1995-September 1998
AU  - Norman E. Spahr
AU  - Robert W. Boulger
AU  - Richard J. Szmajter
PY  - 2000
DO  - 10.3133/wri994223
UR  - https://pubs.usgs.gov/publication/wri994223
ID  - wri994223
ER  -