Search U.S. government technical reports digitized or harvested by TRAIL.
Crude oil and gasoline pipe lines in the United States May 1, 1941
Natural-gasoline plants in the United States, January 1, 1944
Natural-gasoline and cycle plants in the United States, January 1, 1946
Natural-gasoline and cycle plants in the United States, January 1, 1948
Petroleum refineries, including cracking plants in the United States, January 1, 1947
Petroleum refineries, including cracking plants, in the United States, January 1, 1949