Version history for: Causey, J. Douglas, 2005, Mining claim activity on Federal land for the period 1976 through 2003: U.S. Geological Survey Data Series 124 [available on the World Wide Web at http://pubs.usgs.gov/ds/124/ ]. Version 1.0 September 19, 2005 Made minor improvements to each of the folders July 29, 2005 Initial release on online at http://pubs.usgs.gov/ds/124/