Born-Digital or AnalogAnalogTranscriptLeyden mine Old coal mine to be used for storage of natural gas. RM, May 27, 1961, p.26 Leyden coal mine converted to fast natural gas storage reservoir by Public Service Company. RMN Oct. 21, 1962 P-58 Found adequiate for reserve gas in severe cold wave. Post Jan. 13, 1963 p.19A Mine west of Arvada used to store 2.6 billion cubic feet of natural gas for Public Service Co. Post Ag 29, 1976 p.lECollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
