Figure 69.-Some of the posts are set out from rib; liable to be torn out if trip jumps track; also slack has collected along haulage road.

Figure 70.-Post set in open; trip jumps track and tears out post and trolley wire. Snapper is caught by falling cross bar and roof. He wears loose jacket and uses hand lamp. Car has old, poorly fitting end gate.

Figure 71.-Posts set in rib, where they can not be knocked down by a de

railed trip. Haulageway is kept clean.

Boss: Set posts in rib on haulage roads.

In one year 160 miners were killed in this country by falls of

Figure 72.-Miner begins to load coal without spragging the face. He hangs safety lamp on pick stuck in rib. He might hurt his eye on the sharp pick point. Tools are thrown on floor, and slack is not cleaned up.

broken.

86651°-194

49

Figure 74.-Miner has spragged the face and made it safe for work. He stands tools carefully along rib and keeps the floor clean. He uses an electric cap lamp.

Miner: Don't dig coal out of face not braced. Always set braces before picking down loose coal.

In one year 155 miners were killed in this country while using

Figure 75.-Capman takes one day's supply of detonators (blasting caps) from the surface magazine in the evening for the next day's work. He carries the detonators in a wooden box and walks. He uses an electric cap lamp.

Figure 76.-Capman goes into mine at night with one day's supply of detonators, taken from the magazine on the surface, and leaves detonators in magazine at each subforeman's office, from which shot firers get supply for the following day.