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    <dct:description>These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km square of sidescan sonar and bathymetric data were collected by the National Oceanic and Atmospheric Administration (NOAA) Ship Whiting in 2000 and 2001 and reprocessed and gridded by the Massachusetts Office of Coastal Zone Management (CZM) and the U.S. Geological Survey (USGS).</dct:description>
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        <dcat:keyword>coastal and marine geology program</dcat:keyword>
        <dcat:keyword>cmgp</dcat:keyword>
        <dcat:keyword>woods hole science center</dcat:keyword>
        <dcat:keyword>whsc</dcat:keyword>
        <dcat:keyword>massachusetts office of coastal zone management</dcat:keyword>
        <dcat:keyword>czm</dcat:keyword>
        <dcat:keyword>seafloor</dcat:keyword>
        <dcat:keyword>marine geology</dcat:keyword>
        <dcat:keyword>arcgis raster</dcat:keyword>
        <dcat:keyword>multibeam</dcat:keyword>
        <dcat:keyword>bathymetry</dcat:keyword>
        <dcat:keyword>reson seabat 8101</dcat:keyword>
        <dcat:keyword>reson</dcat:keyword>
        <dcat:keyword>topography</dcat:keyword>
        <dcat:keyword>odom echotrac df3200 mkii echosounder</dcat:keyword>
        <dcat:keyword>echosounder</dcat:keyword>
        <dcat:keyword>odem</dcat:keyword>
        <dcat:keyword>single-beam</dcat:keyword>
        <dcat:keyword>vertical-beam</dcat:keyword>
        <dcat:keyword>national oceanic and atmospheric administration</dcat:keyword>
        <dcat:keyword>noaa</dcat:keyword>
        <dcat:keyword>national ocean service</dcat:keyword>
        <dcat:keyword>nos</dcat:keyword>
        <dcat:keyword>noaa ship whiting</dcat:keyword>
        <dcat:keyword>hydrographic survey</dcat:keyword>
        <dcat:keyword>esri grid</dcat:keyword>
        <dcat:keyword>32-bit floating point</dcat:keyword>
        <dcat:keyword>massachusetts bay</dcat:keyword>
        <dcat:keyword>atlantic ocean</dcat:keyword>
        <dcat:keyword>boston harbor</dcat:keyword>
        <dcat:keyword>nahant</dcat:keyword>
        <dcat:keyword>boston</dcat:keyword>
        <dcat:keyword>hull</dcat:keyword>
        <dcat:keyword>hubline</dcat:keyword>
        <dcat:keyword>boston harbor islands</dcat:keyword>
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    <dct:identifier>bh-30mbath-arcinfo-grid-of-the-30-meter-pixel-composite-bathymetry-of-boston-harbor-and-approa</dct:identifier>
    <dct:title>BH_30MBATH - ArcInfo Grid of the 30 meter pixel Composite Bathymetry of Boston Harbor and Approaches (UTM 19, WGS84)</dct:title>
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               <dct:title>Web Page</dct:title>
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                <dcat:accessURL rdf:resource="http://&lt;http://pubs.usgs.gov/of/2006/1008/html/appendix1.html&gt;"></dcat:accessURL>
               <dct:title>Web Page</dct:title>
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        <dcat:distribution>
            <dcat:Distribution>
                <dcat:accessURL rdf:resource="http://&lt;http://pubs.usgs.gov/of/2006/1008/gis/OFR_2006_1008/grids/&gt;"></dcat:accessURL>
               <dct:title>Web Page</dct:title>
            </dcat:Distribution>
        </dcat:distribution>
        <dcat:distribution>
            <dcat:Distribution>
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               <dct:title>Zip File</dct:title>
            </dcat:Distribution>
        </dcat:distribution>
        <dcat:distribution>
            <dcat:Distribution>
                <dcat:accessURL rdf:resource="http://pubs.usgs.gov/of/2006/1008/"></dcat:accessURL>
               <dct:title>Web Page</dct:title>
            </dcat:Distribution>
        </dcat:distribution>
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          <rdf:Description>
            <rdfs:label>temporal-extent-begin</rdfs:label>
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            <rdfs:label>temporal-extent-end</rdfs:label>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>contact-email</rdfs:label>
            <rdf:value>seth.ackerman@state.ma.us</rdf:value>
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        </dct:relation>
        <dct:relation>
          <rdf:Description>
            <rdfs:label>metadata-language</rdfs:label>
            <rdf:value></rdf:value>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>bbox-west-long</rdfs:label>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>metadata-date</rdfs:label>
            <rdf:value>2006-10-03</rdf:value>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>dataset-reference-date</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>bbox-north-lat</rdfs:label>
            <rdf:value>
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            <rdfs:label>bbox-south-lat</rdfs:label>
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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 Survey (USGS), no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and/or related materials.  The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials.\n\nAny use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government."]</rdf:value>
          </rdf:Description>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>responsible-party</rdfs:label>
            <rdf:value>[{"name": "Massachusetts Office of Coastal Zone Management", "roles": ["pointOfContact"]}]</rdf:value>
          </rdf:Description>
        </dct:relation>
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          <rdf:Description>
            <rdfs:label>spatial</rdfs:label>
            <rdf:value>{"type": "Polygon", "coordinates": [[[-71.055927, 42.256948], [-71.055927, 42.43834], [-70.814597, 42.43834], [-70.814597, 42.256948], [-71.055927, 42.256948]]]}</rdf:value>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>access_constraints</rdfs:label>
            <rdf:value>["Use Constraints: These data are not to be used for navigation purposes. Mariners should refer to the appropriate nautical chart. Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey (USGS) as the source of this information. These data should not be used at resolutions for which it is not intended.", "Access Constraints: None"]</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>harvest_object_id</rdfs:label>
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        <dct:relation>
          <rdf:Description>
            <rdfs:label>harvest_source_title</rdfs:label>
            <rdf:value>U.S. Geological Survey Coastal Map</rdf:value>
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  </dcat:Dataset>
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