Archive for December 12th, 2015

Originally published in the Pacific Coast Bulletin, December 12, 1921

By Geo. Watkin Evans, consulting coal mining engineer, Seattle

Pacific Coast Coal Co. Logo 1922Before proceeding with the details of the several coal fields in the state, describing their geology and also the coal mines operating within these fields, it will be well to explain, briefly, some of the important terms to be used in this series of papers, so we will have a standard to work by.

It is the intention of the writer to make these articles as non-technical and simple as possible, but in dealing with a subject of this nature, certain technical terms must necessarily be used. (more…)

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