rdf-syntax-grammar
mods:
  schema location: http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
  title info:
    title: Isostatic residual gravity, topographic, and first-vertical-derivative gravity maps of the conterminous United States
  name:
    name part: Geological Survey (U.S.)
    role:
      role term: creator
  name:
    name part: Simpson, Robert W.
  type of resource: cartographic
  genre: map
  origin info:
    place:
      place term: vau
    date issued: 1986
    issuance: monographic
  language:
    language term: eng
  physical description:
    form: microfilm
    form: map
    extent: 4 maps on 2 sheets : color ; 51 x 79 cm. and smaller, sheets 107 x 123 cm. and 99 x 122 cm., folded in envelope 30 x 24 cm.
  table of contents: map A. Isostatic residual gravity -- map B. Topography -- map C. Isostatic residual gravity -- map D. First vertical derivative of isostatic residual gravity.
  note: Department of the Interior, U.S. Geological Survey ; by R.W. Simpson [and others].
  note: Includes text, bibliographical references, tables, figures, and index map.
  note: Cartographic material.
  subject:
    cartographics:
      coordinates: W1250000 W0700000 N0450000 N0250000
  subject:
    cartographics:
      scale: Scale 1:7,500,000 ;
    cartographics:
      projection: Albers conic equal-area proj.
    cartographics:
      coordinates: (W 125--W 70/N 45--N 25).
  subject:
    topic: Gravity anomalies
    geographic: United States
    topic: Maps
  classification: I 19.87:GP-975
  related item:
    title info:
      title: Geophysical investigations (Geological Survey (U.S.)) ; GP-975
  identifier: gp 90005270
  record info:
    record content source: GIS
    record creation date: 870605
    record change date: 20150923195447.0
    record identifier: in00000896784