Title from HTML index page (viewed May 2, 2008). Accompanied by pamphlet (31 p.). Includes index map. Includes bibliographical references in pamphlet (p. 19-20).
Series:
Geologic investigations series ; I-2593
OCLC:
(OCoLC)226969811
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.