Search U.S. government technical reports digitized or harvested by TRAIL.
Petroleum refineries, including cracking plants, in the United States, January 1, 1940
Petroleum refineries, including cracking plants, in the United States, January 1, 1941
Natural-gasoline plants in the United States, January 1, 1944
Petroleum refineries, including cracking plants in the United States, January 1, 1947
Petroleum refineries, including cracking plants, in the United States, January 1, 1949