Research Catalog

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Related Headings
Natural gas reserves	77	128
Natural gas reserves -- Periodicals	-	2
Petroleum reserves	176	379
Petroleum reserves -- Periodicals	-	2
Natural gas	958	2533
Natural gas -- Prospecting	58	71
Natural gas -- Prospecting -- Periodicals	-	2
Petroleum	1805	5343
Petroleum -- Prospecting	172	283
Electronic journals	37	4091

Subject Heading "Petroleum -- Prospecting -- Periodicals"