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FEDERAL
W

VOLUME 3

REGISTER

A,
V

1934

Canteo

NUMBER 39

W ashington, F rid a y, F e b ru a ry 25, 1938
unless otherwise specified by him, and in stich form and upon such blanks as the Secretary o f the Interior may require.

DEPARTMENT OF THE INTERIO R.
Geological Survey.

DEFINITIONS

O perating R egulations 1 to G overn C oal -M in in g M ethods and the S afety and W elfare of M iners on L eased L ands on the P ublic D omain Second Edition C o n te n ts References are to inclusive sections Sections Definitions___________________________
i-xxi Purpose of supervision_______________ :------------------------- -----xxii Powers and duties of m ining supervisor, district mining 1-7
supervisor, and deputy mining supervisor-------------------------Duties and obligations of lessee :---------------------------------------- 8-11
Personnel Mid their duties_____________________________________ - 12-17
18
Weighing or measuring coal-------------------------------------------------Geologic and bore-hole reports-------------------------------------------
19
Approaching oil, gas, or water wells-----------------------------20
Surface structures, their location, construction and fire pro tection___________________________________________________________
21
Development plans--------------------------------------------------------- z ------22-23
Mining where more than one bed of coal occurs____ ____ ____
24
Developing through adjoining mines--------- ,------- ------------------ 25-26
Provisions for disposal of waste________________________________
27
Surveys and maps_______________ __ _________ ___________ ___ _ 28-29
Mining by stripping_____________________________________________
30
Manways and exits________________________________________________31-37
Hoists, hoisting equipment, and shaft landings_______________ 38-47
Signals and telephones___________________________________________48-50
Pillars and crosscuts___________________
51-54
Ventilating fans and air distribution________________ - ________55-65
Approaching abandoned workings and sealing abandoned areas____________________-____________________________ ,____ j.______66-67
Electrical equipment, its installation and maintenance________ 68-76
Internal-combustion, engines___________________________________
77
Haulageways__________________
78-81
Storage, transportation, distribution and use of explosives__82-93
Prevention of coal-dust explosions_____________________________
94
Fire protection_____________________
9599
Check numbers for employees__________________________________
100
Safety guards, timber, and supplies___________________________ 101-103
First-aid equipment and safety training_____________________ 104-106
Mine rescue apparatus__________________
107-109
Health, sanitation, and welfare________________________________ 110-114

Secs. 31, 32, and 33 o f the act of Congress approved February 25, 1920, provide as follow s:
Sec . 31. That any lease Issued under the provisions o f this Act may be forfeited and canceled by an appropriate proceeding in the United States district court for the district in w hich the property, or some part thereof, is located whenever the lessee fails to comply with any of the provisions of this Act, of the lease, or of the general regulations promulgated under this Act and in force at the date of the lease; and the lease may provide for resort to appropriate methods for the settlement of disputes or for remedies for breach of specified conditions thereof.
Sec. 32. That the Secretary of the Interior is authorized to pre scribe necessary and proper rules and regulations and to do any and all things necessary to carry out and accomplish the purposes of this Act.
Sec . 33. That all statements, representations, or reports required by the Secretary o f the Interior under this Act shall be upon oath, 1Under the act o f February 25, 1920 41 Stat. 437.
ments thereto.

amend
Th e follow ing expressions wherever used in these regula tions shall have the meaning here indicated:
Sec. i. M ining supervisor. The agent appointed by and acting fo r the Secretary o f the In terior to supervise a ll coal mining operations coming under these regulations.
Sec. ii. D istrict m ining supervisor. An agent appointed by the Secretary o f the Interior to supervise coal-m ining op erations in one or more o f the coal fields o f the United States, acting under the direction o f the m ining supervisor.
S ec. iii. Deputy m ining supervisor. An agent appointed by the Secretary of the Interior, acting under the direction of the mining supervisor or the district mining supervisor.
Sec. iv. Lessee. Any person or persons, partnership, asso ciation, firm , corporation, municipality, or State which has made application fo r or to which has been issued a coal-m in ing lease, permit, or license under the act o f February 25, 1920, and amendments thereto.
Sec. v. Leased land o r tract. Any land or coal deposit owned by the United States and under lease, permit, license, or application fo r lease, permit, or license, in accordance with the act o f February 25, 1920, fo r the purpose o f mining coal therefrom .
Sec. vi. Coal.Coal o f all ranks from lignite to anthracite.
Sec. vii. M ine. An underground excavation and all parts o f the property of a mining plant either on the surface or underground that contribute directly or indirectly to the mining and preparation o f coal.
Sec. viii. Stripping operation. The term "stripping oper ation or strip pit shall mean a mining excavation or de velopment by means of a surface pit or quarry in which the surface or cover over the coal bed is first removed and the coal itself is then excavated.
Sec. ix. Slope. An inclined entry in a dipping coal bed or an inclined tunnel to a coal bed.
Sec. x. Shaft.A mine opening, the axis o f which is ap proximately vertical, extending from the surface to develop one or more coal deposits.
S ec . xi. Panel.A unit area in a system of mining by which the mine is divided into areas isolated or surrounded by solid pillars of coal into which a pair o f entries are driven fo r the development of rooms and the extraction of pillars.
Sec. xii. W orking place.Any underground place where men are assigned to mine or load coal or rock by hand or mechanically.
Sec. xiii. Rock dusting. The distribution or application underground o f fine noncombustible dust in such a manner as to prevent, check, control, or extinguish coal-dust explo sions.
Sec. xiv. W et coal dust.Coal dust in a mine shall be con sidered wet only when the fines contain sufficient water to permit molding by hand pressure.
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