Suggested citation and version history for:


  Orris, Greta J., and Grauch, Richard I., 2002, Rare earth 
       element mines, deposits, and occurrences:  U.S. 
       Geological Survey, Open-File Report 02-189 
       [http://pubs.usgs.gov/of/2002/of02-189/].


  Version 1.0

  July 7, 2008
  Migrated to http://pubs.usgs.gov/of/2002/of02-189/

  May 30, 2002
  Initial release online at
  http://geopubs.wr.usgs.gov/open-file/of02-189/