Revision History for USGS Professional Paper 1776-C

  Julie A. Dumoulin, John F. Slack, Michael T. Whalen, and 
  Anita G. Harris

  Depositional Setting and Geochemistry of Phosphorites and 
  Metalliferous Black Shales in the Carboniferous-Permian 
  Lisburne Group, Northern Alaska

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  Posted online at http://pubs.usgs.gov/pp/1776/c/
  June 30, 2011

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