TY  - RPRT
TI  - Index of surface-water records, part 9, Colorado River basin, to September 30, 1950
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1951
DO  - 10.3133/cir140
UR  - https://pubs.usgs.gov/publication/cir140
ID  - cir140
ER  -