Kristen A. Lewis Margarita V. Zyrianova Seth S. Haines Christopher J. Schenk Tracey J. Mercier Michael E. Brownfield Stephanie B. Gaswirth Kristen R. Marra Heidi M. Leathers-Miller Janet K. Pitman Marilyn E. Tennyson Cheryl A. Woodall David W. Houseknecht Timothy S. Collett 2019 <p>Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of about 54 trillion cubic feet of gas resources within gas hydrates in the North Slope of Alaska.</p> application/pdf 10.3133/fs20193037 en U.S. Geological Survey Assessment of undiscovered gas hydrate resources in the North Slope of Alaska, 2018 reports