Revision History for U.S. Geological Survey Fact Sheet 2020-3045 By Janet K. Pitman, Stanley T. Paxton, Scott A. Kinney, Katherine J. Whidden, Seth S. Haines, Brian A. Varela, Tracey J. Mercier, Cheryl A. Woodall, Christopher J. Schenk, Heidi M. Leathers-Miller, Ofori N. Pearson, Lauri A. Burke, Phuong A. Le, Justin E. Birdwell, Nicholas J. Gianoutsos, Katherine L. French, Ronald M. Drake II, Thomas M. Finn, Geoffrey S. Ellis, Stephanie B. Gaswirth, Kristen R. Marra, Marilyn E. Tennyson, and Chilisa M. Shorten Assessment of Undiscovered Oil and Gas Resources in the Upper Cretaceous Austin Chalk and Tokio and Eutaw Formations, U.S. Gulf Coast, 2019 ----------------------------------------------------- Posted online October 29, 2020 ----------------------------------------------------- Revised and reposted December 11, 2020, version 1.1 Table 1 update: For the Western Shelf Edge Continuous Gas AU, the calculated mean for average EUR, changed from 1.48 to 1.498 BCFG. [AU, assessment unit; EUR, estimated ultimate recovery; BCFG, billion cubic feet of gas]