A map shows pipeline network for the transportation of petroleum and its by products in United States. Shows the laying of the Big Inch petroleum pipelines in Arkansas, Texas. Caterpillars and explosives being used to clear the ground for laying the pipelines. Oil pipeline being laid across a river bed. A welder welds the joints. Pipelines being laid in trenches. Men operate valves. High octane aviation gas is filled in an aircraft at an airfield. Formation of aircraft in flight. Two soldiers fill oil gallons. An oil tanker in the background. Troops load oil gallons on trucks. Formation of tanks and military vehicles move along a field.