Version history for


  Wolf, Stephen C., and Gutmacher, Christina E., 2004, 
       Geologic and bathymetric reconnaissance overview of 
       the San Pedro Shelf region, Southern California:  
       U.S. Geological Survey Open-File Report 2004-1049, 
       7 sheets, scales range from 1:43,000 to 1:174,000
       [http://pubs.usgs.gov/of/2004/1049/ ].



  Version 1.0


  August 16, 2010

  Added preview of the large sheets as little page-sized images:  
  of2004-1049_preview.pdf


  May 4, 2006

  In metadata, fixed format and added URL to browse graphic.





  May 28, 2004

  Sheet 1:  1978 and 1979 seismic-reflection tracklines

  Sheet 2:  Multibeam shaded relief and bathymetric maps of 
  the San Pedro Shelf region

  Sheet 3:  Isopach map of unconsolidated sediment and 
  seismic profile examples

  Sheet 4:  Seismic-reflection profiles across the Palos  
  Verdes Fault Zone along the outer edge of the San Pedro 
  Shelf

  Sheet 5:  Palos Verdes Fault Zone geologic map, cross-
  section, and seismic profiles

  Sheet 6:  Isopach map showing the approximate thickness 
  of uppermost Holocene (?) sediment layer

  Sheet 7:  San Gabriel Canyon paleo-valley and associated 
  drainage basins


  Initial release online at
  http://pubs.usgs.gov/of/2004/1049/