. Report of the geological exploration of the fortieth parallel . roduction ofthis simple preventive some fatal accidents occurred, men having sometimesstepped into the shaft and fallen to the bottom. A case of this kind tookplace in the spring of 1SG8, when one of the attendants was pushing anempty car toward one of the compartments to await the arrival of the cagewhich was then below. Finding that the car was moving with too muchspeed he endeavored to check it, but without success, and in his attempts toprevent the car from falling into the shaft, held on to it so persistently thathe lost co
. Report of the geological exploration of the fortieth parallel . roduction ofthis simple preventive some fatal accidents occurred, men having sometimesstepped into the shaft and fallen to the bottom. A case of this kind tookplace in the spring of 1SG8, when one of the attendants was pushing anempty car toward one of the compartments to await the arrival of the cagewhich was then below. Finding that the car was moving with too muchspeed he endeavored to check it, but without success, and in his attempts toprevent the car from falling into the shaft, held on to it so persistently thathe lost control of himself and fell in with it. The shops appertaining to these works are amply provided with allnecessary facilities for the construction and repair of hoisting cages, cars,wheelbarrows, and similar machinery used in the mine; and there aretimber-framing machines by means of which all the timbers used under-ground are easily and cheaply prepared. The value of this establishment isplaced at $150,000 in the published statement of the assets of the
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