Soil conservation districts for Iowa?

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Dettagli Bibliografici
OCLC:49419204
Ente Autore: Iowa. State Planning Board. Soil Conservation Committee
Lingua:English
Pubblicazione: [Des Moines] : Iowa State Planning Board, [1938?]
Serie:USAIN State and Local Literature Preservation Project. Iowa.
Soggetti:
Natura:

Documento governativo Monograph Microform

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