Matches in Library of Congress for { <http://lccn.loc.gov/52031608> ?p ?o. }
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- 52031608 contributor B1239097.
- 52031608 created "194-?]".
- 52031608 date "194-?]".
- 52031608 date "1940".
- 52031608 dateCopyrighted "194-?]".
- 52031608 extent "20 leaves :".
- 52031608 issued "194-?]".
- 52031608 issued "1940".
- 52031608 language "eng".
- 52031608 publisher "Washington : s.n.,".
- 52031608 subject "S627.H5 U53".
- 52031608 subject "Soil conservation.".
- 52031608 title "Cooperative research in hillculture studies at Floris, Iowa / [by] Soil Conservation Service, United States Dept. of Agriculture and Iowa Agricultural Experiment Station. The pictures and text ... were furnished by Gerald L. Barger [and others.".
- 52031608 type "text".