293.270. No person, partnership or corporation, nor anyagent of any such person, partnership or corporation, engaged inmining for coal, shall permit any blasting powder or any highexplosive containing nitroglycerine, to be stored in any suchmine; provided, however, that nothing in this section shall beconstrued to prevent the storing in any such mine of sufficientblasting powder or other high explosive to meet the estimatedrequirements of such mine during the succeeding twenty-fourhours; and provided further, that such temporary supply shall notbe kept at any place within such mine, where its accidentaldischarge would cut off the escape of miners working therein.
(L. 1959 S.B. 188 ยง 30)