Mine Timbering (Classic Reprint) - Tapa blanda

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Excerpt from Mine Timbering

This book is a collection of articles that have previously been printed in the Engineering and Mining Journal, The Mineral Industry, and the transactions of various societies, the source being stated in a_ foot-note to each article. The article by Mr. Macdonald was published originally in the Proceedings of the Canadian Mining Institute, and that by Mr. Parlee in the Pro ceedings of the Canadian Society of Civil Engineers. Permission to make this republication has been courteously granted by the Secretaries Of both those societies, and the respective authors have cooperated with suggestions and in the reading of proof. The last part of the book is made up chiefly of articles that have appeared in the Engineering and Mining Journal during the last two or three years. In the absence of any treatise on this impor tant subject, which in the hand-books and text - books on mining is dealt with only in a superficial way, it has appeared worth while to make the present collection, which is Offered not as a complete treatise on the subject, but rather as a series of essays which go fully into many important details. It is hoped that a thorough and systematic treatise on mine timbering will soon be written. Editor.

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