DIGITAL EDITION HISTORY OF: IMPROVED USGS METHODOLOGY FOR ASSESSING CONTINUOUS PETROLEUM RESOURCES By Ronald R. Charpentier and Troy A. Cook U.S. Geological Survey Data Series 547 ---------------------------------------------------------------------------------------- Original edition: First posted Dec. 3, 2010 ---------------------------------------------------------------------------------------- Second Edition: Posted On-line November 2012 ---------------------------------------------------------------------------------------- The second edition of this report fixes two minor bugs relating to correlations and coproducts. Minor updates were made to the text to reflect this: 1. In the pamphlet on p. 17, the text was updated to reflect the new version 2 filename “Continuous2010v2.” 2. In the pamphlet, pages 18-23 where replaced with the version 2 “Continuous2010v2.xlsm” file text. 3. In the downloads directory the file “Continuous2010.xlsx” was replaced with “Continuous2012v2.xlsm.”