DBEDGES AND DREDGING 



BY 



CHARLES PRELINI 



Author of " Earth and Rock Excavation," " A Treatise on Tunneling," "Earth Slopes, 



Retaining Walts and Dams," Professor of Civil Engineering in 



Manhattan College, New York 



82 ILLUSTRATIONS 



SECOND EDITION 



NEW YORK 



D. VAN NOSTRAND COMPANY 



25 PAEK PLACE 



1912 



UNIVERSITY OF TORONTO 



