Research Catalog

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Neighboring Subject Headings
Petroleum pipeline failures	8	10
Petroleum pipeline industry	7	14
Economic aspects	-	1
Ecuador	-	1
Europe	-	3
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Petroleum pipeline pumping stations	1	1
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Related Headings
Petroleum pipeline industry -- Europe	-	3
Petroleum pipeline industry -- United States	-	11
Natural gas pipelines -- Europe	3	17
Natural gas pipelines	262	356
Natural gas pipelines -- United States	16	55
Petroleum pipelines -- Europe	1	7
Petroleum pipelines	191	301
Petroleum pipelines -- United States	4	40
Competition	475	3773
Competition -- United States	13	557

Subject Heading "Petroleum pipeline industry"