TY  - RPRT
TI  - Oklahoma; a summary of activities of the U.S. Geological Survey, Water Resources Division in fiscal years 1986-87
AU  - J.S. Havens
PY  - 1988
DO  - 10.3133/ofr88172
UR  - https://pubs.usgs.gov/publication/ofr88172
ID  - ofr88172
ER  -