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Author: Admin | 2025-04-28
With water.[46] Drowned funnel-shaped hole, remnant of the de-la-Croix shaft The slag heap Bricks 47°41′49″N 6°38′51″E / 47.696834°N 6.647587°EThe Saint Joseph pit was the center of activity for the Ronchamp company, with the installation of a coking plant and a coal-washing plant, before being replaced by the Chanois shaft. On August 10, 1859, a firedamp explosion killed 29 people. On May 8, 1860, another explosion destroyed the underground galleries and the roof of the surface revenue building.[48] After the closure of the Saint-Joseph shaft in 1895, the buildings were razed to the ground and replaced by a small sawmill, whose buildings, now used as warehouses for building materials, still exist at the beginning of the 21st century.[44] The coking plant at the Saint-Joseph well (Appolt furnaces) The Saint Joseph well is located behind the trees beneath the building. 47°41′24″N 6°38′53″E / 47.690047°N 6.648059°EThe Notre-Dame shaft was dug by a rival company, the Société des maîtres de forges owning the Éboulet mines, from 1851[49] before being integrated into the Ronchamp collieries fifteen years later.[50] After being used to extract coal for half a century, it was then used as a water pumping shaft until the mines closed in 1958.[51] The concrete slabs obstructing the shafts still stand at the beginning of the 21st century.[52][53] The Notre-Dame well in operation. The extraction shaft slab. The air shaft slab. Its milestone. 47°41′39″N 6°40′12″E / 47.694187°N 6.669999°ESinking of the shaft began on May 21, 1854. Rectangular in cross-section, measuring 5 by 2.50 meters, it was cased for 34.11 meters, but the casing allowed some of the water to pass through; it was then extended to the bottom at 51.4 meters.[54] Water flow is 800 liters per hour. Specific machines were used to drain it. On January 9, 1856, the well was abandoned due to its exorbitant cost of 168,719.12 francs and because it duplicated the Sainte-Pauline well.[55] In 1867, five houses were built near the well.[56] The well was finally backfilled on February 8, 1873.[46] At the beginning of the 21st century, the well was located in a garden in the cité Saint-Jean.[57] Site plan of the Saint-Jean well and its housing estate The Saint-Jean well is located in this garden. La cité Saint-Jean Sainte-Pauline shaft[edit]47°41′35″N 6°39′38″E / 47.692949°N 6.660563°EThe shaft was sunk from 1854 onwards, and coal was mined between 1861 and 1884, before the pit was backfilled.[46] In the 1870s, a mining
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