Search U.S. government technical reports digitized or harvested by TRAIL.
Methane in California gold mines
Rock strata gases in mines of a Nevada mining district
Some pertinent information about mine gases
Gas-sampling capability of vacutainers
Two-measurement methods for working-level determinations of radon daughters, a theoretical study
Continuous radiation working-level detectors
Gas content determinations of salt samples using acoustic responses
Rapid (grab) sampling during full-scale explosions -microscopic and analytical evaluation