Pipelines--United States--Safety measures.; Pipelines--Security measures--United States.
"Order Code RL33347."; "Updated July 11, 2007."; Title from PDF title screen.; Includes bibliographical references.; Text document in PDF format.; Harvested from the web on 12/13/07
Title from PDF title page (viewed on August 9, 2007).; At head of title: Institute of Transportation Studies.; "November 18, 2003"--Abstract.; "UCB-TSC-RR-2003-05."; Includes bibliographical references (p. 12-14).; Harvested from the web on 8/9/07