Born-Digital or AnalogAnalogTranscriptCoal. Colorado Ceremonies open huge coal mining operation at Energy, Colorado. RMN Dec. 1, 1962 p.8 Strip mining scars to be eliminated. Post Oct. 4, 1964 p.17 Will coal stripping mutilate our landscape? Western Engineer v.48 #12 Dec. 1964 p.6_7 Mining in state has fallen to trickle. Cervi's Journal Ja 4, 1961 p.28 Hesperus mine blast to be investigated. RMN Mr 4, 1966 p.8 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
