COAL - Clpdigital.org

40 THE COAL TRADE BULLETIN.
SUMMARY OF OHIO MINING REPORT.
The following table prepared by State Mine In­
spector George Harrison of Ohio, for his annual
report for 1904, presents a concise summary of
mining operations in that state during the year
and a comparison of figures with those of the pre­
vious year:
1903. 1904.
Pick miners employed... 15.653 13,346
Day hands employed 11,562 12,759
Hands operating machines 1,949 2,297
Drillers, shooters & loaders 14.181 17,432
Total No. persons engaged 41.396 45,834
Average days pick miners
worked 176 1-6 159
Average days mach. miners
worked 176 1-6 169
Tons of coal produced by
pick 1(1,012,335 8.037,360
Tons of coal produced by
machine 14,560,931 16,546,455
Total tons coal produced . 24,573,266 24,583,815
Cain in output over 1903. 10,549
No. of coal producing
counties 30 29
No of fatal accidents 234 US
No. of serious accidents.. 308 316
No. of minor accidents... 12S 121
Total number of casualties 560 555
Estimated amount of powder
consumed in the pro­
duction of coal by the
number of firms report­
ing (kegs) 223,708 264,714
Total new mines opened. . S6 101
No. of mines suspending. 42 57
No. of mines abandoned. 18 37
No. of mines in operation 912 959
No. of mines in the state. 954 1,018
No. of mines using mining
machines 188 243
No. of mining machines in
use 774 975
Counties installing ma­
chinery 18 19
Total inspections made.. 1,511 1,789
Sets-of scales tested 1S8 230
Permanent improvements
made 325 257
No. of maps filed 293 341
Tons of coal mined to
each life lost 215,555 208,337
One life lost to every 363 persons employed in
mining of coal in 1903.
One life lost to every 3S8 persons employed in
mining of coal in 1904.
One person injured in every 72 1-9 employed in
1903.
One person injured in every 82 5-10 employed in
1904.
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