Research Catalog

Results from Digital Research Books Beta

Digital books for research from multiple sources world wide- all free to read, download, and keep. No Library Card is Required. Read more about the project.

• The assayer's guide : or, Practical directions to assayers, miners and smelters, for the...
  By Lieber, Oscar M. (1830-1862.)
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• Manganese resources of the Tennessee Valley region
  By Tennessee Valley Authority., Rankin, H.S. (Hiram S.), 1886-, Laurence, Robert A.
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• Assaying ores, concentrates, and bullion
  By United States., Heady, Howard H.
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