©
usepagov: Mississippi River Flood 1973. DOCUMERICA PROJECT.
©
usepagov: Mississippi River Flood 1973 with Children. DOCUMERICA PROJECT.
©
usepagov: 001
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usepagov: 025
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usepagov: 035
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usepagov: bottom.sample
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usepagov: ckapipe2
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usepagov: ckapipebw
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usepagov: deadseafood
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usepagov: erosion01
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usepagov: erosion02
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usepagov: fishkill1
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usepagov: fishkill2
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usepagov: pipe.runoff
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usepagov: pollutedh20
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usepagov: pollutionsign
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usepagov: sewer overflow1
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usepagov: sewer overflow2
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usepagov: sewer overflow3
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usepagov: seweroverflow
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usepagov: water-pollution1
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usepagov: waterpollution
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usepagov: waterpollution.pickup
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usepagov: waterpollution2