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Alaska Maximum Number of Active Crews Engaged in Seismic Surveying (Number of Elements)
Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9
  2000's 13 4 23 12 14 11 12 6 NA 1
  2010's 7


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.