Lignite Mining in Western North Dakota

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Lignite Mining in Western North Dakota 49 К. Р.R.

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From a stripped coal-vein this five-ton capacity scoop, in a matter of a few minutes, loads this 20-ton truck. The entire operation of mining and loading is done atop the vein, which has been un- covered or "stripped." MADE IN U. S. A “TICHNOR QUALITY VIEWS". THE HAFSTROM CO., PUBLISHERS, BELFIELD, N. DAK. 75570