TY  - RPRT
TI  - Operations at river stations, 1900, Part IV
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1901
DO  - 10.3133/wsp50
UR  - https://pubs.usgs.gov/publication/wsp50
ID  - wsp50
ER  -