SFB=[YR=1993] W54 S31 BAS=[YR=2008] S60 SFB=[YR=1993] S60 BAS=[YR=1993] S90 SFB=[YR=1993] S31 E54 N31 W54$ E54 N90 W54$ E54 N60 W54$ E54 N60 W54$ E54 N31$.