"Compiled from information portrayed on the following previously produced maps, Potential natural vegetation, A.W. Küchler, University of Kansas, 1966 [and] Major forest types, Forest Service ... 1967."
OCLC:
(OCoLC)22811439
LCCN:
90681410
Locations:
UNUX074 -- University of Northern Iowa - Rod Library (Cedar Falls)
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.