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United States. Office of Indian Affairs / Annual report of the Commissioner of Indian Affairs, for the year 1905, Part I
([1905])

Report of mine inspector for Indian territory,   pp. 641-704 PDF (25.9 MB)


Page 694

694     REPORTS OF THE DEPARTMENT OF THE INTERIOR. 
SHAFT MINES NOS. 6 AND 6j. 
No. 6 shaft was opened in the year 1888 on the Lehigh vein. The 
coal is 4 feet 6 inches thick, pitching 70 to the northeast. Shaft is 
239 feet deep. A slope has been driven to the dip of shaft 2,700 
feet, and a plane to the rise 1,160 feet, and nine entries are in opera-
tion. The size of the two compartments of the shaft is 7 by 10 feet, 
with third compartment 4 by 7 feet in size, fitted with stairway. 
Air shaft at No. 6 mine is 230 feet deep and 6 by 10 feet in size. No. 
61 air and escape shaft is 249 feet deep and 6 by 10 feet in size. This 
mine is ventilated by one 15-foot Crawford & McCrimmon fan, 
located at No. 6 shaft. In what is known as No. 61 section of this 
mine a slope has been driven to the dip of the entry leading from No. 
6 to No. 6  shaft, a distance of about 1,000 feet, and a plane to the 
rise, about 600 feet. There are two pumps in use, one Worthington 
double pump, with 6-inch steam cylinders, 4-inch water cylinders, and 
6-inch stroke, at the bottom of shaft, and one Worthington double 
pump, with 7-inch steam cylinders, 5-inch water cylinders, and 6-inch 
stroke, for pumping water from the reservoir and supplying the 
boilers with water. 
Equipment consists of one Litchfield double hoisting engiie, with 
16 by 30 inch cylinders; drum is 7 feet in diameter and 7 feet in 
length. One Keystone double-slope engine, with 10 by 16 inch 
cylinders; drum is 6 feet in diameter and6 feet in length, geared 
1 to 3, and one Ottumwa double-plane hoisting engine, with 8 by 10 
inch cylinders; drum is 2  feet in diameter and 2 feet in length, geared
1 to 8. One Nagle single-conveyor engine, with 11 by 13 inch cylin- 
der, and one Watertown dynamo engine, with 15 by 16 inch cylinder. 
Steam is furnished by a battery of five John O'Brien steel tubular 
boilers, three of which are 60 inches in diameter and 22 feet in length,
one 60 inches in diameter and 18 feet in length, and one 48 inches in 
diameter and 20 feet in length. 
Electric machinery consists of one Ridgeway dynamo, 150 kilowatts, 
240 volts, and one General Electric 9-ton electric locomotive for haul- 
ing coal from No. 6- section to the bottom of No. 6 shaft. There is 
also in use for hoisting coal on the slope in No. 6-1 section one General
Electric double electric hoist, 100 horsepower and 240 volts. 
The average number of men and boys employed in and around this 
mine is 386. Total production of coal for the current year was 
118,389 tons. There were two accidents reported to me from this 
mine during the year, neither of which proved fatal. 
SHAFT MINE NO. 7. 
This mine, which was fully described in my previous report, was 
abandoned in April, 1905. The total production of coal during the 
current year was 40,765 tons. 
SHAFT MINE NO. 8. 
This shaft was opened in the year 1905 on the Lehigh vein. The 
coal is 4 feet 1 inch thick, pitching 50 to the northeast. Shaft is 605 
feet deep. Two main entries have been driven in, and a slope has 
been driven to the dip 170 feet and a plane to the rise 240 feet, and two


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