Revision History for USGS Scientific Investigations Report 2011-5012 Deborah Bergfeld, Jacob B. Lowenstern, Andrew G. Hunt, W.C. Pat Shanks III, and William C. Evans Gas and Isotope Chemistry of Thermal Features in Yellowstone National Park, Wyoming ----------------------------------------------------- Posted online May 12, 2011 ----------------------------------------------------- Revised and reposted September 2014, version 1.1 Table 1 was revised to add two sample groupings. The data sets for tables 2, 3, and 4 were revised. Samples were added, owing to new stable isotope data becoming available after the report was published. Thirty-seven samples were added to table 2, and values that have been revised are noted. Twenty-eight samples were added to table 3. Values in table 4 were updated. The report is now 28 pages. The data set for appendix 3 was revised. Fifty-five samples were added, owing to new stable isotope data becoming available after the report was published. Category names have been updated for clarity. -----------------------------------------------------