1. 
   USFWS
   acronym: United States Fish and Wildlife Service
   Found op http://cdiac.ornl.gov/pns/acronyms.html#U
   
   
2. 
   USFWS
   US Fish and Wildlife Service
   Found op http://www.encyclo.co.uk/local/20587
   
   
3. 
   USFWS
   United States Fish and Wildlife Service. ... (05 Dec 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?USFWS
   
   
4. 
   USFWS
   United States Fish and Wildlife Service.
   Found op http://www.wolfsource.org/?page_id=63
   
   
5. 
   usfws
   1) United states fish and wildlife service
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/usfws/1
   
   

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