Economic Mining: A Practical Handbook for the Miner, the Metallurgist and the Merchant (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Economic Mining: A Practical Handbook for the Miner, the Metallurgist and the Merchant

General indications. Veins. Diamond drills. Sampling the ore-body. Testing auriferous samples. Sampling base ores. Developing. Surveys.

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