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    <dct:description>This data set consists of digitized polygons of constant hydraulic conductivity values for the Vamoosa-Ada aquifer in east-central Oklahoma. The Vamoosa-Ada aquifer is an important source of water that underlies about 2,320-square miles of parts of Osage, Pawnee, Payne, Creek, Lincoln, Okfuskee, and Seminole Counties. Approximately 75 percent of the water withdrawn from the Vamoosa-Ada aquifer is for municipal use. Rural domestic use and water for stock animals account for most of the remaining water withdrawn. The Vamoosa-Ada aquifer is defined in a ground-water report as consisting principally of the rocks of the Late Pennsylvanian-age Vamoosa Formation and overlying Ada Group. The Vamoosa-Ada aquifer consists of a complex sequence of fine- to very fine-grained sandstone, siltstone, shale, and conglomerate interbedded with very thin limestones. The water-yielding capabilities of the aquifer are generally controlled by lateral and vertical distribution of the sandstone beds and their physical characteristics. The Vamoosa-Ada aquifer is unconfined where it outcrops in about an 1,700-square-mile area. The hydraulic conductivity of the Vamoosa-Ada aquifer was computed as 3 feet per day in a ground-water report. Most of the hydraulic conductivity polygons were extracted from published digital geology data sets. The lines in the digital geology data sets were scanned or digitized from maps published at a scale of 1:250,000 and represent geologic contacts. Some of the lines in the data set were interpolated in areas where the Vamoosa-Ada aquifer is overlain by alluvial and terrace deposits near streams and rivers.</dct:description>
        <dcat:keyword>inlandwaters</dcat:keyword>
        <dcat:keyword>ada group</dcat:keyword>
        <dcat:keyword>ground water</dcat:keyword>
        <dcat:keyword>vamoosa formation</dcat:keyword>
        <dcat:keyword>groundwater vulnerability</dcat:keyword>
        <dcat:keyword>vamoosa aquifer</dcat:keyword>
        <dcat:keyword>groundwater</dcat:keyword>
        <dcat:keyword>ground-water vulnerability</dcat:keyword>
        <dcat:keyword>ada aquifer</dcat:keyword>
        <dcat:keyword>east-central oklahoma</dcat:keyword>
        <dcat:keyword>hydraulic conductivity</dcat:keyword>
        <dcat:keyword>vamoosa-ada aquifer</dcat:keyword>
        <dcat:keyword>aquifers</dcat:keyword>
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    <dct:identifier>digital-data-sets-that-describe-aquifer-characteristics-of-the-vamoosa-ada-aquifer-in-east-cent26316</dct:identifier>
    <dct:title>Digital data sets that describe aquifer characteristics of the Vamoosa-Ada aquifer in east-central Oklahoma</dct:title>
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            <rdf:value>{"type": "Polygon", "coordinates": [[[-96.7807, 34.8562], [-96.0003, 34.8562], [-96.0003, 37.001], [-96.7807, 37.001], [-96.7807, 34.8562]]]}</rdf:value>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>access_constraints</rdfs:label>
            <rdf:value>["Use Constraints: Most of the lines in this data set were extracted from digital geology data sets (Cederstrand, 1996a, 1996b, 1996c) based on a scale of 1:250,000, that represent geologic contacts and make up aquifer boundaries described by D'Lugosz and others (1986). Hydraulic conductivity polygons represented at this scale are indicative of broad, regional trends and should not be interpreted as site specific.", "Access Constraints: None"]</rdf:value>
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          <rdf:Description>
            <rdfs:label>contact-email</rdfs:label>
            <rdf:value>mmabbott@usgs.gov</rdf:value>
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          <rdf:Description>
            <rdfs:label>bbox-west-long</rdfs:label>
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          <rdf:Description>
            <rdfs:label>metadata-date</rdfs:label>
            <rdf:value>2004-11-08</rdf:value>
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          <rdf:Description>
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            <rdf:value>[{"type": "publication", "value": "1997-01-01"}]</rdf:value>
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        </dct:relation>
        <dct:relation>
          <rdf:Description>
            <rdfs:label>graphic-preview-description</rdfs:label>
            <rdf:value>A browse image of the four aquifer data sets.</rdf:value>
          </rdf:Description>
        </dct:relation>
        <dct:relation>
          <rdf:Description>
            <rdfs:label>frequency-of-update</rdfs:label>
            <rdf:value>notPlanned</rdf:value>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>licence</rdfs:label>
            <rdf:value>["Although this data set has been used by the U.S. Geological\nSurvey, U.S. Department of the Interior, no warranty expressed or\nimplied is made by the U.S. Geological Survey as to the accuracy\nof the data and related materials. The act of distribution shall not \nconstitute any such warranty, and no responsibility is assumed by \nthe U.S. Geological Survey in the use of this data, software, or \nrelated materials.\n\nAny use of trade, product, or firm names is for descriptive\npurposes only and does not imply endorsement by the U.S.\nGovernment."]</rdf:value>
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            <rdf:value>Water NSDI Node Spatial Datasets</rdf:value>
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