Natural gas School of mines geologists give gas potential report as 20 years. Post S 28, 1967 p.4 New Mexico u derground nuclear explosion will be set off in experiment to increase natural gas. R-N N 24, 1967 p.90" "Project Gasbuggy" results encouraging. PEN D 1, 1968 p. 73 Rulison gas reserve claim worth $1.34 billion. RMN S 9,.1969 p.8 Coal gasification plant is set for Four Corners area. Cervi's Journal My 27, 1971 p.1