Born-Digital or AnalogAnalogTranscriptoil shale. Colorado Atlantic Richfield Co. bids $177.7 million for county oil shale lands. Post F 12, 1974 p.1,3 Colorado oil shale land has been assessed at $2 an acre for tax purposes over the past years. Post F 15, 1974 p.84 Boom seems just over horizon; 1st of series. RMN F 17, 1974 p.5,12 Environmental safeguards for Colorado shale lands uncertain; 2nd in series. RMN F 18, 1974 p.5,50 Effect of oil shale development on Western slope. RMN F 19, 1974 p.5,10CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
