50 years, 1940-1990
Subtitle: Northern Regional Research Center.
Contributors: United States. Agricultural Research Service. Northern Regional Research Center.
Publisher: Agricultural Research Service
Published: 1990
Place of publication: Peoria, IL
Language: eng
Number of pages: 14
Subjects: United States. -- Agricultural Research Service. -- Northern Regional Research Center.
Other titles: Northern Regional Research Center.; Fifty years, 1940-1990.
Notes: Cover title.

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