Area: North America - between 78°W and 72°W. Bahamas. Canada - Nunavut; Ontario; Quebec. Cuba. United States (USA) - Connecticut; Delaware; Maryland; Massachusetts; New Hampshire; New Jersey; New York; North Carolina; Pennsylvania; Virginia; Vermont. Onshore for Canadian arctic. onshore and offshore for US east coast and Cuba, with usage in Bahamas onshore plus offshore over internal continental shelf only.
NAD27 / UTM zone 18N
metre283.16,-78,18.83,-72