. . . . . "Fort du Salbert, also known as Fort Lefebvre, was built between 1874 and 1877. It was named after General Fran\u00E7ois Joseph Lefebvre. It forms part of the S\u00E9r\u00E9 de Rivi\u00E8res system fortifications in the fortified region of Belfort in northeastern France. It is located at the summit of Salbert hill to the northwest of Belfort. During the early years of the Cold War it briefly served as an air defense coordination center."@en . "Fort du Salbert"@en . "Abandoned"@en . "Fort du Salbert"@en . . . "6.81367"^^ . "City of Belfort"@en . . "no"@en . "France"@en . . "Fort du Salbert, also known as Fort Lefebvre, was built between 1874 and 1877. It was named after General Fran\u00E7ois Joseph Lefebvre. It forms part of the S\u00E9r\u00E9 de Rivi\u00E8res system fortifications in the fortified region of Belfort in northeastern France. It is located at the summit of Salbert hill to the northwest of Belfort. During the early years of the Cold War it briefly served as an air defense coordination center."@en . "Fort, S\u00E9r\u00E9 de Rivi\u00E8res system"@en . "Belfort, France"@en . "47.6596"^^ . . . . .