Download The Mineral Industry of the British Empire and Foreign Countries, Vol. 2: War Period; Coal, Coke, and By-Products, 1913-1919 (Classic Reprint) - Imperial Mineral Resources Bureau file in PDF Online

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Excerpt from The Mineral Industry of the British Empire and Foreign Countries, Vol. 2: War Period; Coal, Coke, and by-Products, 1913-1919Igneous intrusions have materially altered the quality of the coal in some districts - especially in northern Natal, where dykes passing through the Coal Measures have destroyed the value of the coal for short distances from the planes of

Title : The Mineral Industry of the British Empire and Foreign Countries, Vol. 2: War Period; Coal, Coke, and By-Products, 1913-1919 (Classic Reprint)
Author : Imperial Mineral Resources Bureau
Language : en
Rating :
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Type : PDF, ePub, Kindle
Uploaded : Apr 03, 2021

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