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c/o Joyner Library
1000 E. 5th Street
Greenville, NC 27858
c/o Joyner Library
1000 E. 5th Street
Greenville, NC 27858
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Title: Trickling filters
Identifier: 0741-b27-fb-v27.b.48 (https://digital.lib.ecu.edu/5412)
Description: Sewage water being distributed by a rotating arm over a trickling filter of gravel which absorbs the waste in the water. Date from negative sleeve.
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