Prater, Lewis Seward

1915

• Beneficiation tests on Latah County clays
• Beneficiation tests on ore from the Sun Valley barite mine, Blaine County, Idaho
• Brine leaching tests on oxidized ores of lead
• Flotation tests on fluorite ore from Lemhi County, Idaho
• Metallurgical tests on the manganese bearing sands of Payette County, Idaho
• Microscopic studies on mill products from the Pine Creek Area, Yreka Mining District, Idaho
• Reaction rates in the acidualtion of Idaho phosphate rock with sulphuric acid