Map of the w:Irish Sea showing routes operated by the w:Isle of Man Steam Packet Company
Steam_packet_route_map.png
Gb4dot merged mapcolors.svg
Steam_packet_route_map.png: created by User:Philphos
Gb4dot merged mapcolors.svg: created by Wereon, Ilmari Karonen
derivative work: Trex2001 (talk)