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Accidents in the comstock mines and their relation to deep mining

โœ Scribed by John A. Church


Book ID
103089075
Publisher
Elsevier Science
Year
1879
Tongue
English
Weight
794 KB
Volume
108
Category
Article
ISSN
0016-0032

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โœฆ Synopsis


67 8. Miscellaneous. The distribution among these groups in .m 1877 1878 1879 6 mos. 4 mos. winding. each )'car is shown in the ibllowing summary : (1.) Casualties due to fidls of rock, ice, timber, etc. Number of (x'x~'urrences, Casualties, thtal, Casualties, not fatal, Proportion thtal, 36 per cent. (2.) Casualties in tramming. Nmnber of occurrences, . Casualties, taml, Casualties, not |htal, Proportion ~atal, 12~ per cent. (3.) Casualti(~ due to heat.


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