/BCO-DMO/Biodiv_Nit/total_free_Cu ---- Level 0

#   Total and free Cu
#   J. Moffett (USC)
#  version: 2014-11-17
# 
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cruise_id  year  month  
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CB960      2011  7      
CB974      2012  5      
CB980      2012  7      
CB984      2012  8