Version history for: Miller, Marti L., Bundtzen, Thomas K., and Gray, John E., 2005, Mineral resource assessment of the Iditarod quadrangle, west-central Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MFÐ2219ÐB, scale, 1:250,000 [available on the World Wide Web at http://pubs.usgs.gov/mf/2005/2219b ]. Version 1.0, March 6, 2006 Initial release online at http://pubs.usgs.gov/mf/2005/2219b/