Version History for: Karl, Susan M., Haeussler, Peter J., and McCafferty, Anne, 1999, Reconnaissance geologic map of the Duncan Canal- Zarembo Island area, southeastern Alaska: U.S. Geological Survey Open-File Report 99-168, scale 1:150,000. Version 1.2 June 12, 2008 Migrated to http://pubs.usgs.gov/of/1999/of99-168/ July 28, 2003 Replaced FTP addresses with HTTP addresses for many of the hyperlinks Version 1.1 July 26, 2001 Spatial dataset added to report Version 1.0 - December 28, 1999 First release, on the Web only, at http://geopubs.wr.usgs.gov/open-file/of99-168