Coal. Colorado. State coal output below last year's. RMN April 20, 1938 p.8 Colorado coal costs studied by commission. RMN May 27, 1938 p.6 coal commission opens mine cost hearing. Post June 13, 1938 p.1 Commission takes jurisdiction over nearly all Colorado coal. Post Sept. 18, 1938 p.12 Colorado coal mine sets union example. RMN Oct. 21, 1938 p.20 Colorado local trade periled, says National Bituminous Coal. Commission. RMH Oct. 22, 1938 p.8
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