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Ochers and Mineral Pigments of the Pacific Northwest : Occurrence, Possible Methods of Preparation, and Testing of Ochers, Siennas, and Colored Clays

Description: From Introduction: "A review is given of the nomenclature, sources, imports, statistics, common methods of preparation, and testing of mineral pigments. A description of the Deer Park-Spokane colored-clay district and the laboratory methods of preparation of these colored clays, ochers, and siennas follows. The following report is merely preliminary in nature, only three months during the summer of 1927 being devoted to the laboratory investigation."
Date: 1929
Creator: Wilson, Hewitt
Partner: UNT Libraries Government Documents Department
open access

Lithium and its Recovery from Low-Grade Nevada Clays

Description: From Abstract: "A detailed flowsheet, material balance, and process evaluation are presented for the limestone-gypsum roast process. In addition, lithium reserves and resources are discussed and the McDermitt clays are described."
Date: unknown
Creator: Crocker, L.; Lien, R. H.; May, J. T.; Witkowsky, D. S.; Seidel, D. C.; Davidson, C. F. et al.
Partner: UNT Libraries Government Documents Department
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