TY  - RPRT
TI  - Quality of surface waters of the United States, 1966, Parts 9-11, Colorado River basin to Pacific slope basins in California
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1971
DO  - 10.3133/wsp1995
UR  - https://pubs.usgs.gov/publication/wsp1995
ID  - wsp1995
ER  -