Annual Report of the Chief Inspector of Mines for the Year Ending ..., ฉบับที่ 17

air-course air-shaft April Athens county Belmont county boss brattices breakthroughs Bros cars check doors Chief Inspector Clay Columbiana Columbiana county Columbus Creek Davis day hands district inspectors double-entry system drift opening east entry entire supervision erected fair condition fall of slate February feet in thickness Fire-Clay Five miners found idle found in fair furnace built furnace ventilation Guernsey county hands are employed Hill Hocking county hundred injured inspected Jackson county Jefferson Jones July June last visit located main entry Massillon miles mine-New miners and three miners are employed MINES EMPLOYING LESS Name of owner Nelsonville November Ohio ordered owner or operator P. O. Address Perry county repaired rooms safety-catches seam second opening second visit September 28 shaft opening situated Slope Stark county stopped Sunday Creek superintendent and John three day hands tons Tuscarawas county vein visited August visited December visited September Wellston west entry Zanesville