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수질오염,우물.The Book of Water pollution--Wells, by Irving A. Watson
Contents
WATER POLLUTION―WELLS.
The double lines 1 and 2
DIAGRAM NO. 1.
ANALYSIS OF THE NEWPORT WELL.
ADDITIONAL FACTS.
EXPLANATION AND OPINION.
DR. CURRIER’S REPORT.
DIAGRAM NO. 2.
THE RYE BEACH WELL,
DIAGRAM NO. 3.
END OF THE BOOK WATER POLLUTION--WELLS