The Distribution of Ash and Sulfur in Iowa Coals as Affected by Washing and Flotation

H. L. Olin; J. R. Troeltzsch

doi:10.17077/2160-5270.1259

Article

The Distribution of Ash and Sulfur in Iowa Coals as Affected by Washing and Flotation

Authors: H. L. Olin , J. R. Troeltzsch

Abstract

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How to Cite: Olin, H. L. & Troeltzsch, J. R. (1925) “The Distribution of Ash and Sulfur in Iowa Coals as Affected by Washing and Flotation”, Iowa Geological Survey Annual Report. 31(1). doi: https://doi.org/10.17077/2160-5270.1259