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- 68065901 contributor B1875897.
- 68065901 contributor B1875898.
- 68065901 created "1965.".
- 68065901 date "1965".
- 68065901 date "1965.".
- 68065901 dateCopyrighted "1965.".
- 68065901 extent "76 p.".
- 68065901 isPartOf "Iowa. State University of Science and Technology, Ames. Cooperative Extension Service in Agriculture and Home Economics. Special report no. 42".
- 68065901 isPartOf "Special report no. 42".
- 68065901 issued "1965".
- 68065901 issued "1965.".
- 68065901 language "eng".
- 68065901 publisher "Ames, Iowa State University of Science and Technology, Cooperative Extension Service,".
- 68065901 spatial "Iowa.".
- 68065901 subject "631.4/9/777".
- 68065901 subject "S599.I8 I6".
- 68065901 subject "Soils Iowa.".
- 68065901 title "Principal soils of Iowa [by] Dept. of Agronomy. [Prepared by] W. R. Oschwald [and others]".
- 68065901 type "text".