TY  - RPRT
TI  - A computer program for calculating subregional water budgets using results from the U.S. Geological Survey Modular Three-Dimensional Finite- Difference Ground-Water Flow Model
AU  - A.W. Harbaugh
PY  - 1990
DO  - 10.3133/ofr90392
UR  - https://pubs.usgs.gov/publication/ofr90392
ID  - ofr90392
ER  -