Results: 1 - 8 of 8
Sep 30, 1963
Information Series
… Board's estimate of the reserves that they contain. The … 300 and 2600 feet of overburden. Reserves have been estimated for … basis of the magnitude of the reserves and the adequacy of the …
Mar 14, 1962
Information Series
… topics, including raw material reserves, the history of the …
Mar 20, 2007
Information Series
… consumption rates these reserves will be exhausted in fifteen years. As reserves are depleted the cost of …
Mar 09, 2021
Information Series
… and the depletion of the U.S. reserves of helium in storage in …
Aug 31, 1972
Information Series
… and estimates of reserves by various categories. The …
Aug 23, 1990
Information Series
… of the total proven recoverable reserves and around 80% of the …
Dec 31, 1982
Information Series
… gigatonnes of strippable coal reserves (table1). If oil prices …
Dec 14, 2005
Information Series
… and Utilities Board (Dec. 1993 Reserves of Coal Report) identified …