Robuta

https://www.usgs.gov/publications/gasfields-devonian-black-shale-and-landsat-lineaments-parts-ohio-kentucky-west Gasfields in Devonian black shale and Landsat lineaments in parts of Ohio, Kentucky, West Virginia,... No abstract available. https://boomtown-indicators.org/ Annual Report on Queensland's Gasfields Regions - The University of Queensland, Australia annual report the university queensland