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- Water Conservation; Water Erosion; Flooding and Prevention
- Photograph of [unclear] filter housing on floodwater retarding structure no. [unclear]. 36 inch diameter; the dark 8 inch pipe is a drain pipe which runs into drop inlet structure. The two 2 inch pipes run to floatwell for water stage recorder [?]. Glenn A. Beecham, construction engineer is holding up lid which can be opened to clean silt out of the house. OK-01 [?]-219.