The latest mining peak in the Sierra Minera happened during the 19th and 20th centuries. More precisely it started in 1840 with the underground mining activity, continued from the middle of the 20th century with open cast mining and all mines were finally closed in 1991. After the mining activity finished, the city of La Union and surrounded villages were plunged into a deep crisis. The efforts of the local and regional government have recently been focused in preserving, restoring and giving a new significance to all the mining remains left in the area. The listed remains of the Sierra Minera include 167 elements: - 23 chimneys. - 20 mineral washeries. - 29 furnaces. - 70 pit heads. - 10 tunnels, old underground workings and veins. - 6 powder store rooms. - 9 open cast mines. The postcard shows the mines in operation
This photograph was uploaded December 18th 2014 by Dickie Bird.Copyright / re-use statement: copyright unknown
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