. Bulletin. 5. In 1885 the percentage of fatalities due to mine cars andlocomotives was , or per 1,000 men employed. Both thepercentage and the rate per 1,000 men employed have increaseduntil in 1913 the total percentage was , while the numberkilled per 1,000 employed was With reference to gas and dust explosions (fig. 3) both the per-centage of the fatahties and the rate per 1,000 men employed areerratic. The lowest figure was in 1887, when per cent of thetotal number of fatahties was due to gas and dust explosions, orpractically one fatality per 10,000 men employed
. Bulletin. 5. In 1885 the percentage of fatalities due to mine cars andlocomotives was , or per 1,000 men employed. Both thepercentage and the rate per 1,000 men employed have increaseduntil in 1913 the total percentage was , while the numberkilled per 1,000 employed was With reference to gas and dust explosions (fig. 3) both the per-centage of the fatahties and the rate per 1,000 men employed areerratic. The lowest figure was in 1887, when per cent of thetotal number of fatahties was due to gas and dust explosions, orpractically one fatality per 10,000 men employed. This rate hasincreased in an irregular manner, reaching the highest point in 1907,when the total percentage of fatalities due to this cause was ,or fatahties per 1,000 men employed. Since 1907 there hasbeen some reduction in both percentage and the rate per 1,000 menemployed, but this is irregular and in all cases higher than it should be. 24 COAL-MIKE FATALITIES IN THE UNITED STATES, 006f 2 COAL-MINE FATALITIES IN THE UNITED STATES, 1870-1914. 25 Accidents due to explosives also show a decrease from the begin-ning of inspection to about 1887. From 1887 to 1903 there was anincrease, and from 1903 to date the rate has gradually declined. The fatalities due to shaft accidents (fig. 3) are gi-adually decreas-ing, the rate per 1,000 men employed in 1870 being , while in1913 it was Table 5 contains the same grouping by causes as does Table , however, shows fatality rates by States for continuous periodsfor which records have been published. It contains 1,270 lessfatalities than Table 4, by reason of the fact that intermittent recordsprior to the period of continuous records have been omitted. (SeePis. I and II.) REDUCTION IN FATALITY RATES AND THE GROWTH OFMINE-INSPECTION SERVICE COMPARED. The relation between mine-inspection service and the fatality ratesat coal mines from 1870 to date is shown in figure 2. The upper curverepresents the actu
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