Search U.S. government technical reports digitized or harvested by TRAIL.
Some asphalts from Oregon Basin (Wyoming) crude oil
Asphalts from Rocky Mountain Crude Oils :laboratory preparation and comparison
Method of Assaying Oil Shale by a Modified Fischer Retort: Revision of R. I. 3977
Properties of Colorado oil shale
Constitution of oil-shale kerogen :bibliography and notes on bureau of mines research
Comparison of oil yields from core and drill-cutting sampling of Green River oil shales