Version history for


  Morin, Robert L., Wheeler, Karen L., McPhee, Darcy K., 
       Dinterman, Philip A., and Watt, Janet T., 2007, 
       Principal facts of gravity data in the northern 
       Willamette Valley and vicinity, northwestern Oregon 
       and southwestern Washington:  U.S. Geological Survey 
       Open-File Report 2007-1058 [available on the World 
       Wide Web at http://pubs.usgs.gov/of/2007/1058/ ].




  Version 1.0, March 1, 2007

  Initial release online at
  http://pubs.usgs.gov/of/2007/1058/