Interior of Marston Salt Mine, Northwich, Cheshire, England, showing how pillars of rock have been left to support the roof. At this date (c.1880)), the mine had been excavated to a height of 16 ft over approximately 40 acres. Engraving.

Interior of Marston Salt Mine, Northwich, Cheshire, England, showing how pillars of rock have been left to support the roof. At this date (c.1880)), the mine had been excavated to a height of 16 ft over approximately 40 acres. Engraving

Album / World History Archive

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4500 x 3240 px | 41.7 MB

38.1 x 27.4 cm | 15.0 x 10.8 in (300 dpi)