Application of a geology-based assessment methodology by the U.S. Geological Survey resulted in an estimated mean of 6,192 billion cubic feet of shallow biogenic (continuous) undiscovered gas in the North-Central Montana Province. Oil, gas, and natural gas liquids in conventional accumulations were not assessed.
- Digital Object Identifier: 10.3133/fs20083036
- Source: USGS Publications Warehouse (indexId: fs20083036)