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Pollution poses threat to man, farms, nature


Author:
Shaw, W.C., Heggestad, H.E., and Heck, W.W.
Source:
USDA
Year:
1971
Subject:
pollution, natural resource management, and environmental science
Format:
p. 293-299.
Language:
English
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/CAIN729022161