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Coal Mining Library compiled by Frank Kneeland Mine Transport Market Preparation
Coal Mining Library compiled by Frank H. Kneeland Mine Transportation and Market Preparation 3
Practical coal production
Mine Transportation - hoisting and hositing equipment - coal preparation.
COVER IS THE COLOR SHOWN WITH THE BINDING EDGE, a dark green
Hard Cover
Copyright 1926
CONTENTS
INTRODUCTION V
I. MINE TRANSPORTATION 1
II. HOISTING AND HOISTING EQUIPMENT 177
III. COAL. PREPARATION 227
INDEX 351
INTRODUCTION
This book has been prepared as a companion volume to those that have preceded it-" The Preliminaries of Coal Mining" and "Getting Out the Coal,"-all three forming in reality only one work. When coal is shot down in the mine, or even after it has been loaded onto cars, the work of the mining man is by no means finished, for it must yet be removed from the mine and prepared for the market. Not infrequently these operations are quite as vexatious as any others with which the management has to deal. In many cases the transportation department, and the efficiency with which it functions, determines whether or not the mine is a paying proposition. In many instances, also, the mine haulage or the hoisting shaft constitutes "the neck of the bottle" and fixes absolutely the magnitude of the mine output. The planning and operation of the transportation system, therefore, is a difficult and sometimes a delicate problem.
As was the case with the two previous volumes above mentioned the compiler can take little credit to himself. No man possesses, nor could he acquire, within the span of an ordinary lifetime, an intimate personal knowledge of the subjects here treated in all their various phases and ramifications. It has been the lot of the compiler, therefore, to draw upon the available literature covering the subjects treated, select the material most appropriate or best adapted to the purpose and arrange the results in a logical sequence. Wherever possible also due credit has been given the original author. This is exactly the same procedure as was followed in preparing the preceding books.
In this as in the other volumes it has been the constant endeavor to include only such plans and devices as have proved their practical advantage. Theories we must have, of course, as otherwise we would make no progress, but no such large undertaking as a modern coal mine should be laid out and developed on theory alone-it takes practical experience and plans based thereon to make such projects successes.
The compilation of this volume, although an arduous task has been a pleasant one. It has also been highly beneficial from an educational standpoint. It is hoped that those who peruse these pages may derive some of the benefits that have come to the compiler.
FRANK H. KNEELAND.
NEW YORK, N. Y.
May, 1926
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