Main offices and workshops of the coal mines Following the opening of the Saint-Charles shaft on 5 May 1844 and its favorable results, the company decided to relocate its central workshops and offices, previously situated in the hamlet of La Houillère, to a site adjacent to the shaft and to connect them to the railway network. The initial facilities comprised three main buildings The company also owned the buildings of the
Arthur-de-Buyer shaft, which were used for the storage of industrial waste. One of its stated objectives was to facilitate the retraining and reemployment of former miners who had chosen not to join
EDF. MagLum primarily produced stamped sheet-metal components, including ashtrays, door handles, exhaust pipes, armrests, and handbrake handles.
Mélecey (
former saltworks), and
Conflans-sur-Lanterne. The Conflans facility was later acquired by Happich, a German automotive accessories manufacturer, which produced sun visors; this site remained active at least until 2013. The
Giromagny plant, formerly the Boigeol weaving mill, was taken over by a MagLum executive, Mr. Cuyl, who continued producing plastic foam dashboards and attempted to diversify into furniture production; this company has since ceased operations. File:2018-03 - Friche industrielle MagLum - Gestamp de Ronchamp - 01.jpg|Aerial view in 2018. File:2021-02 - Friche industrielle MagLum - Gestamp de Ronchamp - 316.jpg|Factory workshops. File:2021-02 - Friche industrielle MagLum - Gestamp de Ronchamp - 388.jpg|Laboratory. The main office building, disused since 2008 and the last remaining original structure, gradually deteriorated over time. It was damaged by a minor fire on 25 April 2017 and later destroyed by a larger fire on 13 December 2021. File:2021-02 - Friche industrielle MagLum - Gestamp de Ronchamp - 125.jpg|The offices in February 2021 (rear facade). File:2021-02 - Friche industrielle MagLum - Gestamp de Ronchamp - 097.jpg|Attic space. File:2021-12 - Démolitions bureaux des Houillères - MagLum - Gestamp de Ronchamp - 08.jpg|The end of demolition. File:2021-12 - Démolitions bureaux des Houillères - MagLum - Gestamp de Ronchamp - 18.jpg File:2012-08 - Bureaux des Houillères.jpg|The former offices of MagLum (later Somero and finally Gestamp) in 2012. The logo of the last company is still visible on the façade. == See also ==