Relief shown by gradient tints. Symbols with key and text show base and natural features, achievements, areas of concern, and protected areas. Includes bibliographical references. Includes inset charts, tables, maps, and texts.
OCLC:
(OCoLC)54439222
Locations:
OVUX522 -- University of Iowa Libraries (Iowa City)
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.