Search U.S. government technical reports digitized or harvested by TRAIL.
Natural-gasoline plants in the United States :January 1, 1932
An apparatus and method for the determination of helium in natural gas
Continuous analysis of helium in natural gas by chromatography
Production of mineral fuels and hydropower in the United States since 1800
Bureau of Mines energy program, 1973,
Assessment of U.S. petroleum supply with varying drilling efforts