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    <owl:sameAs rdf:resource="urn:uuid:bb49e31c-f7cd-45de-9ba0-e874a950bd87"></owl:sameAs>
    <dct:description>These data are vector and scalar component values of the Earth's magnetic field for 2004 recorded at the Boulder Magnetic Observatory in Colorado. Vector values are measured using 3 mutually orthogonal fluxgate magnetometer sensors. The scalar value of the total magnetic field is recorded with a proton precession magnetometer. All values are calibrated with measurements of the absolute value of the geomagnetic field using a DI-Flux magnetometer. The data are
                    numerically filtered to prevent aliasing, and quality controlled during processing. Longer period values of the field, including hourly, daily, monthly, and annual means are derived from the 1-minute data.</dct:description>
        <dcat:keyword>earth science</dcat:keyword>
        <dcat:keyword>solid earth</dcat:keyword>
        <dcat:keyword>geomagnetism</dcat:keyword>
        <dcat:keyword>earth science</dcat:keyword>
        <dcat:keyword>solid earth</dcat:keyword>
        <dcat:keyword>geomagnetism</dcat:keyword>
        <dcat:keyword>geomagnetic indices</dcat:keyword>
        <dcat:keyword>earth science</dcat:keyword>
        <dcat:keyword>solid earth</dcat:keyword>
        <dcat:keyword>geomagnetism</dcat:keyword>
        <dcat:keyword>magnetic declination</dcat:keyword>
        <dcat:keyword>earth science</dcat:keyword>
        <dcat:keyword>solid earth</dcat:keyword>
        <dcat:keyword>geomagnetism</dcat:keyword>
        <dcat:keyword>magnetic field</dcat:keyword>
        <dcat:keyword>earth science</dcat:keyword>
        <dcat:keyword>solid earth</dcat:keyword>
        <dcat:keyword>geomagnetism</dcat:keyword>
        <dcat:keyword>magnetic inclination</dcat:keyword>
        <dcat:keyword>earth science</dcat:keyword>
        <dcat:keyword>solid earth</dcat:keyword>
        <dcat:keyword>geomagnetism</dcat:keyword>
        <dcat:keyword>magnetic intensity</dcat:keyword>
    <foaf:homepage rdf:resource="http://catalog.data.gov/dataset/boulder-magnetic-observatory"></foaf:homepage>
    <rdfs:label>boulder-magnetic-observatory</rdfs:label>
    <dct:identifier>boulder-magnetic-observatory</dct:identifier>
    <dct:title>Boulder Magnetic Observatory</dct:title>
        <dcat:distribution>
            <dcat:Distribution>
                <dcat:accessURL rdf:resource="http://geomag.usgs.gov"></dcat:accessURL>
               <dct:title>National Geomagnetism Program</dct:title>
            </dcat:Distribution>
        </dcat:distribution>
        <dct:relation>
          <rdf:Description>
            <rdfs:label>bbox-east-long</rdfs:label>
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          <rdf:Description>
            <rdfs:label>graphic-preview-file</rdfs:label>
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          <rdf:Description>
            <rdfs:label>bbox-south-lat</rdfs:label>
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          <rdf:Description>
            <rdfs:label>spatial-reference-system</rdfs:label>
            <rdf:value></rdf:value>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>spatial_harvester</rdfs:label>
            <rdf:value>True</rdf:value>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>spatial</rdfs:label>
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        </dct:relation>
        <dct:relation>
          <rdf:Description>
            <rdfs:label>access_constraints</rdfs:label>
            <rdf:value>["Use Constraints: Contact Institution", "Access Constraints: None"]</rdf:value>
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        </dct:relation>
        <dct:relation>
          <rdf:Description>
            <rdfs:label>temporal-extent-begin</rdfs:label>
            <rdf:value>2004-01-01T01010000</rdf:value>
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        </dct:relation>
        <dct:relation>
          <rdf:Description>
            <rdfs:label>contact-email</rdfs:label>
            <rdf:value>Justin.Mabie@noaa.gov</rdf:value>
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        </dct:relation>
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          <rdf:Description>
            <rdfs:label>bbox-west-long</rdfs:label>
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          <rdf:Description>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>graphic-preview-description</rdfs:label>
            <rdf:value>Baseline values for the Boulder calibration data for 2004</rdf:value>
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        <dct:relation>
          <rdf:Description>
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