Suggested citation and version history for Cox, D.P. and Singer, D.A, 2007, Descriptive and grade-tonnage models and database for iron oxide Cu- Au deposits: U.S. Geological Survey Open-File Report 2007-1155 [http://pubs.usgs.gov/of/2007/1155/]. Version 1.0, May 11, 2007 Initial release online at http://pubs.usgs.gov/of/2007/1155/