At head of title: United States Department of Agriculture, Bureau of Chemistry and Soils, in cooperation with the North Carolina Department of Agriculture and the North Carolina Agricultural Experiment Station. Includes bibliographical references.
Series:
Number 7, Series 1926.
OCLC:
(OCoLC)15923337
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.