Compiled by Richard B. Winston
Revised: 7/31/2024
This document reflects the input instructions for MODPATH version 4.3.
The purpose of this document is to provide a description of the input files for MODPATH. The material in this guide is largely copied verbatim from the MODPATH report (Pollock, D.W., 1994, User's Guide for MODPATH/MODPATH-PLOT, Version 3: A particle tracking post-processing package for MODFLOW, the U.S. Geological Survey finite-difference ground-water flow model: U.S. Geological Survey Open-File Report 94-464, 6 ch.) or the modpath.txt file included with MODPATH.
