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U.S. Lower 48 States Onshore Maximum Number of Active Crews Engaged in Seismic Surveying (Number of Elements)
U.S. Lower 48 States Onshore Maximum Number of Active Crews Engaged in Seismic Surveying (Number of Elements)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  2000 0 0 41 41 38 43 44 45 43 46 46 48
  2001 44 45 45 47 45 42 42 41 39 39 42 41
  2002 38 40 35 32 32 32 34 33 37 38 35 31
  2003 28 29 28 27 24 25 28 30 30 31 31 32
  2004 33 35 35 36 35 39 38 39 40 42 42 41
  2005 41 42 39 38 42 44 42 43 44 45 45 46
  2006 43 44 46 46 46 44 56 53 55 56 56 55
  2007 54 54 59 59 58 58 59 58 61 65 65 60
  2008 61 61 60 57 58 58 60 60 NA 65 63 64
  2009 65 65 62 60 56 52 53 51

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 10/8/2009
Next Release Date: 11/6/2009

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