Annual Report of the Chief Inspector of Mines for the Year Ending ..., ฉบับที่ 37

American April Athens ATHENS COUNTY August Average Number Tons Belmont Belmont County black damp boss brattices Brick Byesville carbide lamp Carbon Hill Chief Inspector Clay Cleveland Coalton Columbus complied conditions fair Coshocton COUNTY day hands employed day men employed December Double entry system Drift opening east entry fair condition Fall coal fall of stone FALL ROOF Fall slate fan ventilation fire Foot injured foreman Four visits Furnace ventilation GEORGE HARRISON Guernsey GUERNSEY COUNTY H. V. R. R. Operated Harrison Hill Hocking inspection Jackson January John July June lump coal machine mining machine runners Martins Ferry Massillon motor and mule motor haulage mule haulage Natural ventilation Nelsonville November October Ohio ordered pick miners seam of coal second opening September Shaft opening Single entry system Slope opening Sunday Creek Supt timber Total Number Tuscarawas Tuscarawas County Uhrichsville ventilation deficient W. R. R. Operated Wellston west entry Zanesville