Revision History for
  USGS Geologic Investigations Series Map I-2542

  M.C. Blake, Jr., D.S. Harwood, E.J. Helley, W.P. Irwin,
  A.S. Jayko, and D.L. Jones

  Geologic Map of the Red bluff 30' x 60' Quadrangle,
  California 

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  Moved publication to http://pubs.usgs.gov/imap/2542/
  Added database
  October 19, 2012

  First posted at http://geopubs.wr.usgs.gov/i-map/i2542/
  November 3, 2000

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