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Limestone for sewage trickling filters
Comparison with trap rock and quartz to determine relative durability; limestone little inferior to trap.
Limestone for sewage trickling filters
Comparison with trap rock and quartz to determine relative durability; limestone little inferior to trap.
Limestone for sewage trickling filters
Pub. Wks
Schaetzle, T.C. (author)
Public Works ; 57
1926
2 pages
Article (Journal)
English
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