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veyed lots.1 (Sec. 1, 20 Stat. 394; 43 U.S.C. 31) [Regs., Feb. 20, 1913, 41 L.D. 528]

201.3 Review of classification. Review of classification may be had only on application therefor to the Secretary, accompanied by a clear and specific statement of conditions not existing or not known to exist at the time of examination. (Sec. 1, 20 Stat. 394; 43 U.S.C. 31) [Regs., Feb. 20, 1913, 41 L.D. 528]

PART 211-COAL-MINING OPERATING AND SAFETY

REGULATIONS

Sec. 211.1

Sec.

Authority for regulations.

211.2

Orderly and efficient develop

ment of publicly owned coal
lands and deposits.

211.3

Definitions.

(a) Mining supervisor.

211.5

(b) District mining supervisor.

(c) Deputy mining supervisor.

211.6

(d) Lessee.

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211.7

(j) Shaft.

211.8

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in conflict with State
laws; appeal, delay in
execution of order or
notice.

Duties and obligations of lessee
Observance of lease terms;
lessee's liability for damage.
Records to be kept by lessee.
(a) Production reports and
other data.

(b) Financial statement by ac-
countant.

Danger in mines to be reported. Accidents to be reported to mining supervisor.

Personnel and their duties

Certification by State or district
mining supervisor required.
(a) Personnel to be qualified.
(b) Mine official substitutes.

211.10 Mine foremen.

211.11

(c) Production and royalty re-
ports; sealing of mines.

211.12

(d) Wells or prospect holes
through coal beds.

(e) Abandonment of mine or
of unmined portions of
mine; survey at lessee's
expense.

(f) Placing seals on leased 211.13

lands.

(g) Orders to insure compli-
ance with regulations not

211.14

1 Instructions, Feb. 16, 1915 (43 L.D. 520).

(a) Mine foreman for more
than five men under-
ground.

(b) Superintendent may serve
as foreman when less than
25 men underground.
(c) Assistant foreman for each
75 men underground.
Fire bosses or mine examiners.
(a) Duties.

(b) Examinations during shift.
(c) Fire boss for every 75 men
employed in gassy mines.
Additional duties of fire bosses.
(a) Dangerous places to be
fenced and marked.

(b) Fire boss reports; records copied and signed.

(c) Mine foreman may serve as
fire boss.

Electrician's qualifications.
Hoistmen.

(a) Qualifications.

(b) Physical examination.

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Provisions for disposal of waste Requirements.

(a) Slack and refuse to be so disposed of as not to be a nui

sance.

(b) Separately storing slack and waste.

(c) Royalty on slack coal. Surveys and maps

Mine-office maps.

(a) Surveys to be made and maps extended every 6 months; surveys to be made before abandoning any section of a mine.

(b) Map legend.

(c) Surface buildings and bore holes to be shown on mine map.

(d) Coal sections, stoppings, ventilation, etc., to be shown on map.

(e) Profiles of steeply dipping beds; vertical view of workings in bed dipping more than 45°.

(f) Blueprints to be furnished annually, or semiannually on request.

Maps made when lessee fails to furnish them.

(a) Liability of lessee for expense of survey.

(b) Incorrect maps.

Mining by stripping

Requirements and prohibitions (a) Drainage of stripping operations.

(b) Fire prevention.
(c) Overhanging banks.

(d) Coal face to be covered in strip pits.

(e) Underground workings from strip pits prohibited.

Manways and exits

Construction requirements. (a) Escapeways to surface and distance between at surface. (b) Surface exit.

(c) Steps or stairways in slopes.

211.29

Shafts when escape by other

means unavailable.

(a) Hoist or ladder in shafts. (b) Stairway construction in shafts.

(c) Hoists in both shafts if more than 300 feet deep; ladderway construction.

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Signals and telephones
Signal code.

Two methods of signaling required.

(a) Arrangement of signals. (b) Signal circuits not more than 30 volts.

Telephone system.

(a) Telephones from surface to and into mines.

(b) Telephone wires on side of entry opposite power lines. Pillars and crosscuts

Method of construction.

(a) Pillar thickness between intake and return airways. (b) Crosscut or break-through intervals.

(c) Face not to be advanced more than 30 feet beyond crosscut.

(d) Room neck minimum width and length.

(e) Chain pillars and stumps. (f) Crosscuts to be made at face of rooms and entries before abandonment. Advance workings.

(a) Limits for removing coal. (b) Size of pillars.

(c) Basis for computing percentage of tract mined.

(a) Shaft entry and slope pillars.

211.49

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Pillars left for support.

(b) Safety catches on cages. (c) Cage rests or chairs.

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(b) Shaft pillar size.

(c) Openings in

slope pillars.

Barrier pillars.

shaft and

(a) Mining restrictions.

(b) Lessee may be required to mine barrier pillars on adjacent lands.

(c) If coal-mining rights in adjoining premises privately owned.

(d) Mining isolated blocks of coal not on leased lands. Ventilating fans and air distribution

Installation specifications. (a) Fans.

(b) Explosion-relief doors. (c) Fans to be reversible quickly.

(d) Auxiliary power for fans. (e) Fan pressure recording instrument.

(f) Temporary fan.

(g) Fan at adjoining mine. (h) Stoppage of fan in gassy mine.

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211.62 Air current control. (a) Stoppings.

211.77

(a) Along haulage roads. (b) On main haulageway.

(b) Overcasts and undercasts. 211.78 Safety requirements for trans

(c) Ventilation doors.

(d) Line brattices.

Approaching abandoned workings and sealing abandoned

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cutting machinery, and pumps limited to low voltage.

211.81

porting men.

(a) Safety catches or a safety man car on slopes.

(b) Derails and stopping blocks.

(c) Frogs; switch points; guard rails. Storage,

transportation,

dis

tribution, and use of explosives

Storage of explosives.

(a) Explosives magazines.

(b) Magazine location.

(c) Explosives magazines not to be connected with mine workings.

(d) Storage of explosives and detonators.

(e) Thawing of explosives. Temporary storage of explosives underground.

Explosives in possession of miners.

211.68 Electric wires and cable instal- 211.82 Powder boxes.

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(b) Open light near explosives.
Prevention of coal-dust explo-
sions.

211.99

211.100

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Surface openings to be covered, filled in, or fenced.

Timber supply.

First aid equipment and safety training

211.101 First-aid box or supplies. 211.102 First-aid and refuge chamber underground.

211.103 First-aid training.

(a) Required of mine officials. (b) Safety committee shall be organized.

Mine rescue apparatus

211.104 Requirements.

(a) When more than 50 men are employed underground.

(b) Where more than 100 men are employed underground.

211.105 Alternatives.

(a) Joint rescue station.
(b) Gas masks.

211.106 Mine rescue teams formed and
trained.

Health, sanitation, and welfare

211.107 Bath and change house require-
ments.

211.108 Dwellings for employees.
(a) To be kept in sanitary con-
dition.

(b) Toilets.

(c) Water supply contamina-
tion; protection against.

211.109 Ambulance service.
211.110 Contagious and occupational
diseases.

Administration of regulations

(a) More than 50 men em-
ployed underground; water
lines for hose; pressure limita- 211.111 Geological Survey to adminis-
tion.
ter regulations.

CROSS REFERENCES

United States Bureau of Mines: See Chapter I.

Coal permits, leases, and licenses: See Public Lands: Interior, 43 CFR Part 193. Coal permits and leases and permits for free use of coal in Alaska: See Public Lands: Interior, 43 CFR Part 70.

Forest Service regulations governing conditions relating to the removal of mineral from lands conveyed to the United States under the Acts of March 1, 1911 and March 20, 1922: See Parks and Forests, 36 CFR 251.15, 251.16. Homesteads on coal, oil, and gas lands, Alaska: See Public Lands: Interior, 43 CFR Part 66.

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