d amp b section in underground cal mining

405 KAR 8:040. Underground coal mining permits.

(d) For any surface coal mining operation owned or controlled by either the .... (2) If an applicant claims the exemption in 405 KAR 8:010, Section 14(4)(b), the...

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Underground Mine Communications (In Four Parts) 2. Paging Systems

existing mine pager-phone systems, but intermediate paging equipment has been .... cal memoranda have been developed, and test equipment has been ... 2~lectronics systems section, Arthur D. Little, Inc . , Cambridge, Mass. .... FIGURE 5; - Excerpt from guidelines showing system in talking (A) and listening (B) modes.

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Glossary of Mining Terms - Kentucky Coal Education

B. Back - The roof or upper part in any underground mining cavity. Backfill – Mine waste or ... Barrier pillars are solid blocks of coal left between two mines or sections of a mine to prevent ... Black damp - A term generally applied to carbon dioxide. ..... Extraction - The process of mining and removal of cal or ore from a mine. F.

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California Code of Regulations, Title 8, Tunnel Safety Orders, Article ...

(b) "Tunnel" means an underground passageway, excavated by men and ... (d) "Access shaft" means a vertical shaft used as a regular means of worker access ... all tunnels or underground mines operating on the effective date of this section,...

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Coal mining

The goal of coal mining is to obtain coal from the ground. Coal is valued for its energy content, ... In Australia, "colliery" generally refers to an underground coal mine. .... A work are...

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30 U.S. Code § 1266 - Surface effects of underground coal mining ...

(b) Permit requirementsEach permit issued under any approved State or ... chapter and relating to underground coal mining shall require the operator to ... section 1265 of this title for such effects which result from surface coal mining operations: ... (d) Applicability of this subchapter to surface operations and surface impacts...

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