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Zig zag colliery of western coalfields of New South Wales, at Lithgow
Description of mine in county of Cook, development of which began in 1883; coal seam 10 to 11 ft thick, of which compact part about 5 ft 4 in. thick is mined by room and pillar system; sandstone roof and floor; details of surface and underground equipment and operation.
Zig zag colliery of western coalfields of New South Wales, at Lithgow
Description of mine in county of Cook, development of which began in 1883; coal seam 10 to 11 ft thick, of which compact part about 5 ft 4 in. thick is mined by room and pillar system; sandstone roof and floor; details of surface and underground equipment and operation.
Zig zag colliery of western coalfields of New South Wales, at Lithgow
Australian Surveyor
Cardew, J.H. (author)
1933
6 pages
Article (Journal)
English
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