Columbia subject headings:
Gas industry--United States--History--20th century.
Petroleum industry and trade--United States--History--20th century.
Texas Eastern Transmission Corporation--History--20th century.
Harvard subject headings:
Natural gas pipelines--United States--History.
Texas Eastern Corporation--History.
Princeton subject headings:
Gas industry--United States--History--20th century.
Petroleum industry and trade--United States--History--20th century.
Texas Eastern Transmission Corporation--History--20th century.