00502nam a2200157Ia 450000100060000000300050000600500170001100800410002801000170006924500730008625000180015926000390017730000260021665000590024271000430030148682BIBL20160527184321.0920302s1991    dcuarf     b f0     eng0d  adoc92000587 00aNatural gas annual 1988, volume II [computer file]bhistorical data.  a1.2 MB ASCII.00aWashingtonbDept. of Energyc1991.  a1 diskettec5 1/4 in. 0aGas NaturalzUnited StatesxReservesxDatabases.2LEMB10aUnited StatesbDept. of Energy.2Local