13* ^M > 



C 



APPLIED 

 SEDIMENTATION 



Edited by 



PARKER D. TRASK 



Supervising Geologist 



Division of San Francisco Bay Toll Crossings 



Department of Public Works 



State of California 



San Francisco, California 



Prepared under direction of 



Committee on Symposium on Sedimentation 



Division of Geology and Geography 



National Research Council 



Washington, D. C. 



New York • JOHN WILEY & SONS, Inc. 



London • CHAPMAN & HALL, Ltd. 



1950 



