Safety of interstate natural gas Pipelines : a report by the Federal Power Commission, 89th congress 2nd session. - Washington D.C. : U.S. Government Printing Office , 1966 - vii, 133p. : ill. ; 23 cm. Includes bibliographical references and index. Subjects--Topical Terms: Gas industryUnited StatesNatural gas Dewey Class. No.: 665.7 / US