TY  - RPRT
TI  - Source code and ancillary data files for the MODPATH particles tracking package of the ground-water flow model MODFLOW
AU  - David W. Pollock
PY  - 1994
DO  - 10.3133/ofr94463
UR  - https://pubs.usgs.gov/publication/ofr94463
ID  - ofr94463
ER  -