Witherite
Subtitle: (natural barium carbonate) and its industrial uses
By: isued jointly by the Holmside & South Moor Collieries, Ltd, the owners of Settlingstones Mines, Ltd.
Contributors: Holmside & South Moor Collieries.
Publisher: Julius Hülsen
Published: 1940
Place of publication: Newcastle upon Tyne
Language: eng
Number of pages: 56