Mining and Milling of Lead and Zinc Ores in the Wisconsin District Wisconsin Clarence A. Wright Published: 1915 Total Pages: 42 Get eBook
Geologic Literature on North America, 1785-1918 John Milton Nickles Published: 1923 Total Pages: 1176 Get eBook
Tests of Low-grade and Complex Ores in Colorado William Hawes Coghill Published: 1923 Total Pages: 72 Get eBook
Proposed Method for Reducing Mineral Waste in the Wisconsin Zinc District, Wisconsin William Hawes Coghill Published: 1922 Total Pages: 70 Get eBook
