TY  - RPRT
TI  - MODFLOW-2000, the U.S. Geological Survey modular ground-water model -- Documentation of the Model-Layer Variable-Direction Horizontal Anisotropy (LVDA) capability of the Hydrogeologic-Unit Flow (HUF) package
AU  - Evan R. Anderman
AU  - K.L. Kipp
AU  - Mary C. Hill
AU  - Johan Valstar
AU  - R.M. Neupauer
PY  - 2002
DO  - 10.3133/ofr02409
UR  - https://pubs.usgs.gov/publication/ofr02409
ID  - ofr02409
ER  -