Show waste of life in coal mining during the year nearly men were killed or injured in the coal mines 0 the united states and andl point to an increase in that number since that period due to a lack ot proper and enforceable mine regulations to the lack of reliable information concerning explosives used in mining and the under which they can be used with safety to the presence of gas and dust en countered in the mines and to the fact that in the development of coal min ing not only Is the number of coal miners increasing but many areas from which coal Is being taken are either deeper or farther from the en trance where good ventilation Is more difficult and the dangerous alons of explosive gas are more fre quent to remedy this state of at fairs says review of reviews the united states must adopt the means that have proved successful in european countries in 1895 our ratio of killed in every 1000 employed jn mines was 2 67 in 1906 it reached 3 40 effective mining legislation tells a different tale in europe in this country 50 per cent of all the fatal ac and 39 per cent of all the non fatal accidents were due to falls of roofs and coal in all european coal producing countries the use of erces sive charges of explosives Is prohibit ed by law and definite limits are set to the amount of any explosive that may be used in the united states there Is no limit in this country dur ing 1906 11 per cent of deaths in coal mines were due to gas and dust elpio alons abroad governmental testing stations are maintained where hinves into the use of explosives are conducted |