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• V042110DL-0052edit

  • Uploaded by: U.S. Department of Energy
  • License: United States Government Work
  • 0 comments
  • 1 favorite
  • 3,841 views
  • Date taken: 2010-04-21 13:59:19
  • Date uploaded: 2010-06-14
  • Tags: washington, dc, usa, biden, stevenchu, secretarychu, vp, energy, earthday, doe, obamaadministration
  • Visibility: public