Revision History for USGS Open-File Report 2010-1117, version 2.0 Beth Haley, Darren Ireland, and Jonathan R. Childs Environmental Assessment for a Marine Geophysical Survey of Parts of the Arctic Ocean, August-September 2010 ----------------------------------------------------- Version 2.0 Replaced Draft Environmental Assessment with final Environmental Assessment Added Finding of No Significant Impact August 5, 2010 Version 1.0 Draft Environmental Assessment for a Marine Geophysical Survey of Parts of the Arctic Ocean, August-September 2010 Posted online at http://pubs.usgs.gov/of/2010/1117/ June 8, 2010 -----------------------------------------------------