TY  - RPRT
TI  - Oklahoma; a summary of activities of the U.S. Geological Survey, Water Resources Division in fiscal years 1991-92
AU  - J. S. Havens
PY  - 1994
DO  - 10.3133/ofr9438
UR  - https://pubs.usgs.gov/publication/ofr9438
ID  - ofr9438
ER  -