TY - RPRT TI - Conversion of the Twin Cities metropolitan area numerical ground-water-flow model from the Trescott-Larson computer code to the McDonald-Harbaugh computer code AU - R. J. Lindgren PY - 1996 DO - 10.3133/ofr96133 UR - https://pubs.usgs.gov/publication/ofr96133 ID - ofr96133 ER -