Search Results for the EPA National Library Catalog

Items Found: 3
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Your Search: (AUTHOR=POWELL AND H AND E)


 
 
 
Select Item Title Year Published
Recovery of phosphates and metals from phosphate sludge by solvent extraction / 1972
Recovery of phosphates and metals from waste phosphate sludge by reduction-sinter processes / 1971
Sampling and analysis research program at the Paraho shale oil demonstration plant / 1978

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