Revision History for USGS Fact Sheet 2012-3067

  Charles R. Bacon, Marty Grove, Jorge A. Vazquez, and 
  Matthew A. Coble

  The Stanford-U.S. Geological Survey SHRIMP Ion 
  Microprobe--A Tool for Micro-Scale Chemical and Isotopic 
  Analysis

  -----------------------------------------------------
  Posted online at http://pubs.usgs.gov/fs/2012/3067/
  June 7, 2012

  -----------------------------------------------------