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    <mads:genre authority="lcgft">Gravity anomaly maps</mads:genre>
  </mads:authority>
  <mads:related type="broader">
    <mads:genre>Maps</mads:genre>
  </mads:related>
  <mads:variant type="other">
    <mads:genre>Gravity maps</mads:genre>
  </mads:variant>
  <mads:note type="source">Work cat.: Thompson, G.A. Aeromagnetic and Bouguer gravity map of Twin Sisters dunite, northwestern Washington, 1973</mads:note>
  <mads:note type="source">GRACE gravity map image gallery, via WWW, July 16, 2010</mads:note>
  <mads:note type="source">Introduction to potential fields: gravity, 1997: p. 2 (a gravity map is made using numerous gravity measurements across the area of interest ... gravity measurements are often processed to a complete-Bouguer or isostatic gravity anomaly. These data are then gridded, so that the randomly spaced data are converted to a representation of the gravity field at equally spaced locations)</mads:note>
  <mads:note type="source">Gravity anomaly maps, via Wisconsin State Cartographer's Office website, July 16, 2010 (Gravity anomaly maps depict the difference between theoretical computed gravity values and observed gravity values for a region of the earth's crust)</mads:note>
  <mads:note type="source">Smith, W.H.F. Global seafloor topography from satellite altimetry, via NOAA National Geophysical Data Center website, July 16, 2010 (gravity maps are useful in revealing the geology of the sea floor)</mads:note>
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