TY  - RPRT
TI  - Operation of hydrologic data-collection stations by the U.S. Geological Survey in 1989
AU  - Alberto Condes de la Torre
PY  - 1990
DO  - 10.3133/ofr90171
UR  - https://pubs.usgs.gov/publication/ofr90171
ID  - ofr90171
ER  -