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- 53015872 contributor B1260455.
- 53015872 created "1952]".
- 53015872 date "1952".
- 53015872 date "1952]".
- 53015872 dateCopyrighted "1952]".
- 53015872 description "Includes bibliography.".
- 53015872 extent "100 p.".
- 53015872 issued "1952".
- 53015872 issued "1952]".
- 53015872 language "eng".
- 53015872 publisher "Minneapolis?".
- 53015872 subject "333.72".
- 53015872 subject "HC55 .K38".
- 53015872 subject "Natural resources.".
- 53015872 title "A primer on conservation.".
- 53015872 type "text".