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AMERICAN SOCIETY OF CIVIL ENGINEERS
Instituted 1852

TRANSACTIONS

Paper No. 1171

FEDERAL INVESTIGATIONS OF MINE ACCIDENTS,
STRUCTURAL MATERIALS, AND FUELS.[1]

By HERBERT M. WILSON, M. Am. Soc. C. E.

With Discussion by Messrs. KENNETH ALLEN,
HENRY KREISINGER, WALTER O. SNELLING,
A. BARTOCCINI, H. G. STOTT, B. W. DUNN,
and HERBERT M. WILSON.


INTRODUCTION.