"December, 1982." "Submitted to the Highway Division, Iowa Department of Transportation." "Iowa DOT project HR-211." "ERI project 1427." "ISU-ERI-Ames-83192." Bibliography: p. 304-306.
OCLC:
(OCoLC)9528713
Locations:
Z7OX851 -- Library (Ames)
IAOX771 -- State Library of Iowa (Des Moines)
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.