Cover title. At head of title: United States Department of agriculture. In cooperation with the North Carolina Department of agriculture and the North Carolina Agricultural experiment station.
Series:
U.S. Bureau of chemistry and soils. [Soil survey report] Series 1931, no. 21
OCLC:
(OCoLC)13867752
LCCN:
agr36000272
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.