Search Results for the EPA National Library Catalog

Items Found: 3

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Your Search: (SUBJECT=Ores Nonmetallic)


Select Item Title Year Published
Atmospheric Emissions from Wet-Process Phosphoric Acid Manufacture. 1970
Economic Feasibility Study of Coal Desulfurization. Volume I. 1965
Feasibility Study of the Recovery of Sulfur and Iron from Coal Pyrites. 1966

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