Version History for: Riehle, James R., ed., 1999, Geological and geophysical setting of the gold-silver vein systems of Unga Island, southwestern Alaska: U.S. Geological Survey Open-File Report 99-136. Version 1.3 - February 27, 2007 - Migrated to new Web server: http://pubs.usgs.gov/of/1999/of99-136/ - September, 1999 - Added ERMAPPER files to Geophysics directory - Used Adobe Acrobat Catalog to create index files (CD-ROM only) - Produced CD-ROM version Version 1.2 - July 26, 1999 - Added references to authors of chapters to 1_README.TXT - Combined captions with illustrations where needed - Repaired alignment problem with chemical-data table 1 - Added missing photomicrographs on figure 3 in Chapter 2 Version 1.1 - June 21, 1999 - Added ISBN number 0-607-92654-6 - Added Plate 1, the geologic map in Chapter 2, as a PDF (linked to the rest of the PDF-based report), TIF, and JPG Version 1.0 - June 12, 1999 - First release, on the Web only at http://wrgis.wr.usgs.gov/open-file/of99-136