TY  - RPRT
TI  - MODFLOW-2000 : the U.S. Geological Survey modular ground-water model--documentation of the Advective-Transport Observation (ADV2) Package
AU  - Evan R. Anderman
AU  - Mary Catherine Hill
PY  - 2001
DO  - 10.3133/ofr0154
UR  - https://pubs.usgs.gov/publication/ofr0154
ID  - ofr0154
ER  -