Revision History for USGS Open-File Report 2011-1225

  L. Sue Beard, Jeffrey Kennedy, Margot Truini,
  and Tracey Felger

  Geologic Map of Detrital, Hualapai, and Sacramento
  Valleys and surrounding areas, Northwest Arizona

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  Posted online at http://pubs.usgs.gov/of/2011/1225/
  April 24, 2012

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