Relief shown by contours and spot heights. Title from HTML index page (viewed on Mar. 28, 2008). Includes text, col. ill., 7 charts, table, ancillary map, and location map. Includes bibliographical references.
Series:
Scientific investigations map 2993
OCLC:
(OCoLC)216794471
Locations:
USUX851 -- Iowa State University - Parks Library (Ames)
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.