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A Data Input Program (MFI) for the U.S. Geological Survey Modular Finite-Difference Ground-Water Flow Model

by Arlen W. Harbaugh

U.S. GEOLOGICAL SURVEY
Water Resources Investigations Report 94-468


Table of Contents

ABSTRACT
INTRODUCTION
Design Goals
Design Decisions
USER INSTRUCTIONS
Screen Commands
Running MFI
Main Menu
Data Editing Menus
Entering Two-Dimensional Arrays
Entering Data with the Spreadsheet Program
Obtaining Help When Using MFI
Data Recovery if MFI Aborts
Running MODFLOW and MODPATH
Miscellaneous Details About Using MFI
Parameters that MFI Calculates
Parameters Shared Between MODFLOW and MODPATH
Constraints in MFI that are not in MODFLOW and MODPATH
Using MFI with an Existing Dataset
Using MFI When MODFLOW Includes Packages that MFI Does Not Include
PROGRAM DOCUMENTATION
Memory Usage
Computer Dependencies
Modifying MFI to Specify Which Options Use Which File Units
REFERENCES CITED

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