UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 724 



Contribution from the Bureau of Public Roada. 

 LOGAN WALLER PAGE, Director 



Washington, D. C. PROFESSIONAL PAPER December 21, 1918 



DRAINAGE METHODS AND 

 FOUNDATIONS FOR COUNTY ROADS 



By 



E. W. JAMES, General Inspector 



VERNON M. PEIECE, Assistant Engineer 

 CHARLES H. MOOREFIELD, Senior Highway Engineer 



CONTENTS 



Page 



Primary Soils o 1 



Drainage 3 



Design of Surface Drainage • 11 



Gutters '. 18 



Drop Inlets and Catch Basins ^4 



Subdrainage . 28 



Foundations .....o 33 



Notes on Specifications 76 



WASHINGTON 



GOVERNMENT PRINTING OETIGE 



1918 



