293.320. Bore holes required, when, where.
Bore holes required, when, where.
293.320. The owner, agent or operator of any coal mine shallprovide that bore holes shall be kept twenty feet in advance ofthe face of each and every working place, and, if necessary, onboth sides, when driving toward an abandoned mine and part of amine suspected to contain inflammable gases or to be inundatedwith water.
(L. 1959 S.B. 188 § 35)