Natural gas. Colorado Size of Rulison cavity released. Post Ja 7, 1971 p.35 RMN Ja 8, 1971 p.54 Quality of Rulison natural gas improving. RMN Ja 16, 1971 p.14 Nuclear blast proposed for area near Meeker, Colorado. RP,1N Ja 8, 1971 p.54 Low natural gas prices criticized. Post Je 3, 1971 p.22 Backers of Project Rio Blanco assure underground blasts to release natural gas compatable with oil shale developments. RMN D 15, 1971 p.12
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