TY  - RPRT
TI  - Oklahoma, a summary of activities of the U.S. Geological Survey, Water Resources Division, in fiscal years 1988-90
AU  - John S. Havens
PY  - 1991
DO  - 10.3133/ofr91492
UR  - https://pubs.usgs.gov/publication/ofr91492
ID  - ofr91492
ER  -