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Container
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Title
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Marshfield
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Box
2
Envelope
340
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Silo erected at the Marshfield Canning Co. to correct odor nuisances, 1929 June 8
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Sewage
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Box
2
Envelope
339
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Experimental high rate filters, undated
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Box
2
Envelope
341
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Treatment plant, showing landscaping, 1930 September
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|
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Box
2
Envelope
336
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Trickling filter, 1947 January-February
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|
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Box
1
Envelope
324
|
1948 Spring
|
|
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Box
2
Envelope
337
|
circa 1948 June
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|
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Box
2
Envelope
338
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New treatment plant under construction, 1948 August
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Box
2
Envelope
342
|
General views and trickling filter showing ineffective dosing due to insufficient head, undated
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|
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Box
2
Envelope
343
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Trickling filter in winter, sludge recirculation equipment
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Box
3
Envelope
335
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Teepee burner, undated
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