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Designing Blast Patterns Using Empirical Formulas

Designing blast patterns using empirical formulas: a com­ parison of calculated patterns with plans used in quarrying limestone and dolomite, with geologic considerations. [Washington] U.S. Dept. of the Interior, Bureau of Mines (1972] 33 p. illus., tables. (U.S. Bureau of Mines, Information circular 8550) Includes bibliography. 1.

Mining | Britannica.com

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For 100 years the Institute of Quarrying has been supporting people working in the mineral extractives industry. We are the only professional body with the history, knowledge and international experience to advise both individuals and businesses about the skills, training and personal development needs required to build successful industry careers.

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Surface Mining Methods - ILO Encyclopaedia

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Mining (except Oil and Gas) Sector (NAICS 212) Mining is part of the mining, quarrying, and oil and gas extraction (NAICS 21) sector. This sector includes metal mining and nonmetallic mineral mining and quarrying.