TY - RPRT TI - Estimation of streamflow, base flow, and nitrate-nitrogen loads in Iowa using multiple linear regression models AU - Keith E. Schilling AU - Calvin F. Wolter PY - 2005 DO - 10.1111/j.1752-1688.2005.tb03803.x UR - https://pubs.usgs.gov/publication/70027333 ID - 70027333 ER -