Search U.S. government technical reports digitized or harvested by TRAIL.
Geology of the Lower Kittanning coalbed and related mining and methane emission problems in Cambria County, Pa.
Methane content and geology of the Hartshorne coalbed in Haskell and Le Flore Counties, Okla
Investigation of methane emissions from an advancing face in the Belle Isle domal salt mine, Louisiana
Assessment of methane hazards in an anomalous zone of a Gulf Coast salt dome