TY  - RPRT
TI  - Hydrologic data for the Big Spring basin, Clayton County, Iowa, water year 1991
AU  - S. J. Kalkhoff
AU  - R.L. Kuzniar
PY  - 1994
DO  - 10.3133/ofr9456
UR  - https://pubs.usgs.gov/publication/ofr9456
ID  - ofr9456
ER  -