Excerpt from The Geology of Coal and Coal-Mining
This book is the first of a series of works on economic geology undertaken by experienced geologists. Other books will shortly follow, dealing with the geology of metalliferous mining, quarrying, water-supply, and precious stones.
The economic aspect of geology is yearly receiving more attention in our great educational centres, and the books of this series are designed in the first place for students of economic geology. It is believed, however, that they will be found useful to the student of general geology, and also to surveyors and others who are concerned with the practical applications of the science.
Dr. Gibson has, as the result of many years' professional work among the coal-bearing rocks of this country and of South Africa, rendered himself peculiarly qualified to write upon the subject treated in the present work.
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