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200 1 $aIEEE/SEMI 1998 IEEE/SEMI Advanced Semiconductor Manufacturing Conference and Workshop (Cat. No.98CH36168)
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200 10$aEffects of coal fly-ash disposal on water quality in and around the Indiana Dunes National Lakeshore, Indiana /$fby Mark A. Hardy ; prepared in cooperation with the National Park Service
210  1$aIndianapolis, Indiana :$cU.S. Geological Survey,$d1981.
215   $a1 online resource (vi, 64 pages) $cillustrations, maps
225 1 $aWater-resources investigations ;$v81-16
300   $a"April 1981."
320   $aIncludes bibliographical references (pages 45-49).
606   $aWater quality$zIndiana$zIndiana Dunes National Park
606   $aCoal ash$xEnvironmental aspects$zIndiana$zIndiana Dunes National Park
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615  7$aCoal ash.
615  7$aWater quality.
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712 02$aUnited States.$bNational Park Service.
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