Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . ration, the economicalhandling of coal while in process of preparation, and the great re-duction in the percentage of coal which formerly went to the dirt xxvi ANNUAL REPORT OF THE Off. Doc. bank, for possibly the greatest increase comes from the utilization ofthe smaller size of coal in recent years. The average production of coal per year for each inside employe,during the first period was 554 tons, while in the second period it was549 tons, an average decrease of 5 tons per employe inside per aver
Report of the Bureau of Mines of the Department of Internal Affairs of Pennsylvania . ration, the economicalhandling of coal while in process of preparation, and the great re-duction in the percentage of coal which formerly went to the dirt xxvi ANNUAL REPORT OF THE Off. Doc. bank, for possibly the greatest increase comes from the utilization ofthe smaller size of coal in recent years. The average production of coal per year for each inside employe,during the first period was 554 tons, while in the second period it was549 tons, an average decrease of 5 tons per employe inside per average production per miner and miners laborer per year forthe first period was 763 tons, while the average production per yearin the second period was 825 tons, an increase of about 62 tons foreach miner and miners laborer each year. Miners and their laborers are the only ones who actually producecoal, all other employes inside are employed at dead work, andthose outside simply prepare the coal to meet the demands of trade. IV/LL1AMS AUTOMATIC OVERWINDING DEVICEFOR HOISTINQ
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Keywords: ., bookcentury1800, bookdecade1890, bookidreportofbure, bookyear1897
