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    • SW Nacatoch study area.shp

    Metadata Updated: January 20, 2026

    The Nacatoch Sand in southwestern Arkansas, hereafter referred to as the Nacatoch aquifer, is a source of groundwater for agricultural, domestic, industrial, and public use in Clark, Hempstead, Little River, Miller, and Nevada counties. Water-level altitudes measured in 39 wells completed in the Nacatoch aquifer were used to create a potentiometric-surface map. Groundwater flow direction is towards the south and southeast in Hempstead, Little River, and Nevada Counties in southwestern Arkansas. A possible cone of depression may exist in southern Clark County and likely alters groundwater flow from a regional direction toward the depression.

    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.

    Downloads & Resources

    Dates

    Metadata Created Date January 11, 2026
    Metadata Updated Date January 20, 2026

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 11, 2026
    Metadata Updated Date January 20, 2026
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/USGS_5926e221e4b0b7ff9fb48a22
    Data Last Modified 2020-08-21T00:00:00Z
    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://ddi.doi.gov/usgs-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
    Datagov Dedupe Retained 20260119171902
    Harvest Object Id 2d8ae5ab-0c9d-4f62-b84d-1a5b50c93c3f
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": -94.265396119, 33.475123036, -94.265396119, 34.216705631, -92.876048896, 34.216705631, -92.876048896, 33.475123036, -94.265396119, 33.475123036}
    Source Datajson Identifier True
    Source Hash 9571bae6dc30c7ba8d75e90a75280ea0904052960d8c17062f0381aee49281fb
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -94.265396119, 33.475123036, -94.265396119, 34.216705631, -92.876048896, 34.216705631, -92.876048896, 33.475123036, -94.265396119, 33.475123036}

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