Test of Joy Manufacturing Company rotary percussion drilling unit in Anvil Points Mine
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The former United States Bureau of Mines facility at Anvil Points, near Rifle, Colorado, was reactivated starting in May 1964 and was operated during 1965, 1966, and 1967. A research and development program was conducted to investigate the technical feasibility of room-and-pillar mining with explosives, crushing and Gas-Combustion Retorting techniques for oil shale. Mobil Oil Corporation acted as Project Manager for the cooperative industry group at Rifle which included Continental Oil Company, Humble Oil and Refining Company, Pan American Petroleum Corporation, Phillips Petroleum Company, and ...