Document 067NJ4635QvMMow5GNb5R9dmM

VOLUME Tf TtANSACTtONS 1952 Current Safety Topics in the MINING INDUSTRY as presented in sessions of the Mining Section at the 40th National Safety Congress V Some Aspects of Underground Environmental Control............ 5 Fire-Retarding Paints and .Compounds for Use on Mine Timbers.. 9 Rock Bursts in the Deep Mines of Calumet and Hecla........ .. IS Fires and Fire Prevention Practices in Lake Superior Dist Iron Mines................................... ........................ 18 (Continued on nett page) uiviAUti Cicm/ rruiurn . nc u.jit i n I