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Repairing slow sand filter of Lawrence, Massachusetts
River water originally was flowed directly onto filter, and sand and drain pipe were badly clogged; also leaks were found in floor and construction joints; how these defects were repaired is described.
Repairing slow sand filter of Lawrence, Massachusetts
River water originally was flowed directly onto filter, and sand and drain pipe were badly clogged; also leaks were found in floor and construction joints; how these defects were repaired is described.
Repairing slow sand filter of Lawrence, Massachusetts
Pub Works
Blackstock, F.A. (author)
Public Works ; 76
1945
2 pages
Article (Journal)
English
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