Born-Digital or AnalogAnalogTranscriptMining. Safety Most coal mines in Colorado idle in safety strike. R.MN ".p 8, 1947 p.10 Federal inspection of mines ordered closed by Krug nearly completed. Post At; 10, 7.947 p.31 Coal, mines reopen following probe. Post Ap 14, 1947 p.24 Krug's order to close 16 coal pits in Colorado; state inspection hit. RMN Ap 4, 1947 p.4 Larger staff urged for mine inspection. Post Ap 5, 1947 p.18 State and U.S. pit inspectors join to speed mine probe. Post Ap 7, 1947 p.24CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
