Conservation of our natural resources
based on Van Hise's The conservation of natural resources in the United States
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Publication
1938 - Macmillan, New York, New York (State)
Language
English
Word Count
137,750 words, Guess
Page Count
551 pages
Identifiers
- Open LibraryOL59317062M
- OCLC Control Number5878697
Classifications
- LCCHC106 .V18 1938
Subjects
Places
Other Editions
- Conservation of our natural resources
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