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  • Map
    Database of the geologic map of North America, adapted from t... System requirements: Intel Pentium or Intel Xeon Processors, 512 MB minimum, ArcGIS Desktop 9.2 or higher, Windows Vista /Windows XP/Windows 2000 , ArcGIS Desktop 9.2 or higher, CD-ROM drive. Title from disc label. Shipping list no.: 2009-0044-E. Includes "Explanation of map units sheet" PDF with 2 ancillary maps. Includes bibliographical references (p. 7 of pdf file). Also available on the Internet.
    • Contributor: Garrity, Christopher P.
    • Date: 2009
  • Map
    The Russian discoveries from the map published by the Imperia... "Printed for Robt. Sayer, Map and Printseller..." Available also through the Library of Congress web site as a raster image. Vault
    • Date: 1775