Revision History for USGS Open-File Report 2009-1261

  Chris O'Brien and Charles van Riper III


  The Ecology of Parasite-Host Interactions at Montezuma 
  Well National Monument, Arizona; Appreciating the 
  Importance of Parasites


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  Improved figure 1.6 December 7, 2009

  Posted online November 25, 2009

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