TY  - RPRT
TI  - User's documentation for MODFLOW-96, an update to the U.S. Geological Survey modular finite-difference ground-water flow model
AU  - A.W. Harbaugh
AU  - M.G. McDonald
PY  - 1996
DO  - 10.3133/ofr96485
UR  - https://pubs.usgs.gov/publication/ofr96485
ID  - ofr96485
ER  -