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  • Map

    Gravity anomaly map of North America / Catalog Record Only

    VA 302-464 U.S. Copyright Office Also shows coastal areas. "Base from U.S. Geological Survey." "A publication of the Decade of North American Geology Project, which is funded, in part, by the G.S.A. Foundation." Accompanied by data distribution, legend, map information sheet. [1 leaf : map ; 53 cm.). DRM

    • Contributor: Committee for the Gravity Anomaly Map of North America
    • Date: 1988
  • Map

    Seismicity map of North America / Catalog Record Only

    VA 343-921 U.S. Copyright Office Depths shown by contours. Shows data spanning an interval from 1534-1985. "Base from U.S. Geological Survey Transverse Mercator projection, central meridian 100 degrees west." Includes a descriptive list of "Data sources," map "Index to data sources," and notes.

    • Contributor: Engdahl, E. R.
    • Date: 1988
  • Map

    Coal map of North America : 1988 / Catalog Record Only

    Coal fields are classified by geologic age. "Base from U.S. Geological Survey, 1980, North America, scale 1:10,000,000." Titles in upper right margins: Coal map of North America, north half -- Coal map of North America, south half. Accompanied by text (44 p. ; 28 cm.).

    • Contributor: Wood, Gordon H.
    • Date: 1988
  • Map

    The Great Lakes : an environmental atlas and resource book / Catalog Record Only

    Folded col. map in pocket: The Great Lakes basin : ecoregions, drainage, and urban areas. Scale 1:2,000,000. Includes bibliographical references (p. 43-44) and glossary. LC copy exhibited at 27th IGC International Map & Book Exhibit, 1992. "EPA-905/9-87-002 [and] GLNPO NO-2"--P. [2] of cover.

    • Contributor: Botts, Lee - Krushelnicki, Bruce - Hughes, Alun - Canada. Conservation and Protection. Ontario Region - United States. Environmental Protection Agency. Great Lakes National Program Office
    • Date: 1988
  • Map

    Les Grands Lacs : atlas écologique et manuel des ressources / Catalog Record Only

    Also published in English under title: The Great Lakes. Folded col. map in pocket: Le Basin des Grand Lac : écorégions, hydrographie, et zones urbaines. Scale 1:2,000,000. Includes bibliographical references (p. 43-44) and glossary. LC copy exhibited at 27th IGC International Map & Book Exhibit, 1992. "EPA-905/9-87-002 [and] GLNPO NO-2"--P. [2] of cover.

    • Date: 1988