Version History for:





Rytuba, James J., Kotlyar, Boris B., Wilkerson, Gregg, and 

     Olson, Jerry, 2001, Geochemistry of selected mercury 

     mine-tailings in the Parkfield mercury district, 

     California:  U.S. Geological Survey Open-File Report 

     01-336, 18 p.





Version 1.0 - October, 2001





Initial release online at 



http://geopubs.wr.usgs.gov/open-file/of01-336/