Version History for: Cox, Dennis P., Lindsay, David A., Singer, Donald A., Moring, Barry, and Diggles, Michael F., 2003, revised 2007, Sediment-Hosted Copper Deposits of the World: Deposit Models and Database: U.S. Geological Survey Open-File Report 03- 107, v. 1.3 [http://pubs.usgs.gov/of/2003/of03-107/]. Version 1.3 - June 25, 2007 Corrected additional errors in the database Version 1.2 - June 12, 2007 Dennis Cox and Barry Moring made numerous corrections to the database. Added a section to the General Model that defines what the different data fields in the FileMaker file are. Added a Google Earth interface. Added a list of the four-letter country codes. Moring generated a corrected map and added insets for northern Europe and central Africa. Added Moring as an author. There have been no changes to the grade-tonnage models nor any of the descriptions of the subtypes. Version 1.1 - March, 2007 Over the years the senior author has accumulated a number of corrections and omissions in the Sed-hosted Cu data base. These new and updated data are in the data_v1.1 folder. Richard Koch made a data extraction from which Barry Moring generated a new plot in ArcGIS. Version 1.0 - April 2006 Migrated online version to http://pubs.usgs.gov/of/2003/of03-107/ - April, 2003 Initial release on CD-ROM and online at http://geopubs.wr.usgs.gov/open-file/of03-107/