FEDERAL POWER COMMISSION AND EXPLORATION FOR NATURAL GAS.BEEBE BW.1968; A.A.P.G. MEM.; USA; 1968, VOL. 2, NUM. 0009, P. 2218 A 2244Miscellaneous

NATURAL GAS IN DENVER BASIN.BEEBE BW.1968; A.A.P.G. MEM.; USA; 1968, VOL. 1, NUM. 0009, P. 899 A 927Miscellaneous

NATURAL GASES OF NORTH AMERICA.BEEBE BW; CURTIS BF.1968; A.A.P.G. MEM.; USA; 1968, VOL. 1, NUM. 0009, P. 1 A 1226Miscellaneous

NATURAL GASES OF NORTH AMERICA-A SUMMARY.BEEBE BW; CURTIS BF.1968; A.A.P.G. MEM.; USA; 1968, VOL. 2, NUM. 0009, P. 2245 A 2354Miscellaneous

NATURAL GASES OF NORTH AMERICA-A SUMMARY.BEEBE BW; CURTIS BF.1968; A.A.P.G. MEM.; USA; 1968, VOL. 2, NUM. 0009, P. 2245 A 2354Miscellaneous

PROVED AND PROBABLE RESERVES, PRODUCTION RATES, AND AVAILABILITY OF NATURAL GAS.DAVIS RE; VERGE MJ; FALCONER RM et al.1968; A.A.P.G. MEM.; USA; 1968, VOL. 2, NUM. 0009, P. 2026 A 2045Miscellaneous