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- [22] DEVELOPMENTS IN EASTERN CANADA IN 1969 AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS BULLETIN, 1970, 54 (06): : 922 - &
- [23] NORTH AMERICAN OIL AND GAS DEVELOPMENTS: SOUTHERN ROCKIES: EASTERN AND NORTHWESTERN COLORADO. The American Association of Petroleum Geologists bulletin, 1981, 65 (10): : 1836 - 1839
- [24] DEVELOPMENTS IN WESTERN CANADA IN 1969 AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS BULLETIN, 1970, 54 (06): : 1062 - &
- [25] SOUTHERN ROCKIES - EASTERN AND NORTHWESTERN COLORADO AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS, 1981, 65 (10): : 1836 - 1839
- [30] DEVELOPMENTS IN WEST TEXAS AND EASTERN NEW-MEXICO IN 1969 AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS BULLETIN, 1970, 54 (06): : 995 - &