Soil conservation districts for Iowa?
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| OCLC: | 49419204 |
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| 企业作者: | |
| 语言: | English |
| 出版: |
[Des Moines] :
Iowa State Planning Board,
[1938?]
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| 丛编: | USAIN State and Local Literature Preservation Project. Iowa.
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| 主题: | |
| 格式: | Government Document Monograph Microform Note that CRL will digitize material from the collection when copyright allows. |
| Item Description: | Cover title. |
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| 实物描述: | [14] p. : ill. ; 20 cm. |