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    • MODFLOW–6 model of the Shell Valley aquifer, Belcourt, North Dakota, 1980-2022

    Metadata Updated: August 30, 2025

    A MODFLOW-6 groundwater flow model of the Shell Valley aquifer near the Turtle Mountain Band of the Chippewa Indians land area representation in northern North Dakota was constructed to improve the understanding and management of the water-supply resources. The model area included sub-watersheds containing the extent of the Shell Valley aquifer approximately between the towns of St. John, Belcourt, Wolford, Overly, and Dunseith, North Dakota. The model simulated groundwater flow in the Shell Valley aquifer and the adjacent overlying and underlying hydrogeologic units from 1980 through 2022. The data release directories contain ancillary, bin, georef, model, output, and source folders with the necessary executable and input files for the following models: (1) a combined steady-state and transient MODFLOW-6 groundwater flow model; (2) a version of the MODFLOW-6 groundwater flow model used to estimate model water-budget uncertainty; and, (3) a Soil-Water Balance (SWB) model used to estimate spatial and temporal variations of recharge and potential evapotranspiration.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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    Dates

    Metadata Created Date August 30, 2025
    Metadata Updated Date August 30, 2025

    Metadata Source

    Harvested from DOI EDI

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date August 30, 2025
    Metadata Updated Date August 30, 2025
    Publisher U.S. Geological Survey
    Maintainer
    @Id http://datainventory.doi.gov/id/dataset/8db8ba112f956456b46fa6a339635b5b
    Identifier USGS:659ee604d34e5af967a34f83
    Data Last Modified 20250825
    Category geospatial
    Public Access Level public
    Bureau Code 010:12
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://datainventory.doi.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id cf95c61b-330f-46cc-ad07-2e1c99e5d6d4
    Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
    Harvest Source Title DOI EDI
    Metadata Type geospatial
    Old Spatial -100.1736,48.4099,-99.564,48.9545
    Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
    Source Datajson Identifier True
    Source Hash 0d8df926d95df1233b07c8bd65be799ad5a479e7ce8c7886dcbee3ab12feb9d1
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -100.1736, 48.4099, -100.1736, 48.9545, -99.564, 48.9545, -99.564, 48.4099, -100.1736, 48.4099}

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