博客來This is a preliminary report detailing experiments conducted at Sault Ste. Marie, Ontario, by the Canada Mines Branch. Authored by Eugene Haanel, the report offers insight into early 20th-century mining and metallurgical processes. It explores various tests and studies related to ore processing and resource extraction. Providing a snapshot of industrial research and development, this document is valuable for historians of technology, mining, and Canadian industrial history.
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