TY  - RPRT
TI  - Hydrologic data for the Big Spring basin, Clayton County, Iowa; water year 1989
AU  - S. J. Kalkhoff
AU  - R.L. Kuzniar
PY  - 1991
DO  - 10.3133/ofr9163
UR  - https://pubs.usgs.gov/publication/ofr9163
ID  - ofr9163
ER  -