Air pollution damages trees.
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Publication
1973 - For sale by the Supt. of Docs., U.S. Govt. Print. Off., Upper Darby, Pa, Pennsylvania
Language
English
Word Count
8,000 words, Guess
Page Count
32 pages
Identifiers
- Library of Congress Control Number73603545
- Open LibraryOL5025086M
Classifications
- DDC634.9/6/19
- LCCSB761 .U79 1973
Subjects
Topics
TreesWounds and injuriesEffect of air pollution onTrees -- Wounds and injuriesTrees -- Effect of air pollution on
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