__ _ — — 
UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 724 
Contribution from the Bureau of Public Roads. 
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 Mo PEIRCE, Assistant Engineer 
CHARLES H. MOOREFIELD, Senior Highway Engineer 
CONTENTS 
Page 
Primary Soils , 1 
Drainage ■ ' 3 
Design of Surface Drainage 11 
Gutters . 18 
Drop Inlets and Catch Basins 24 
Subdrainage . , . . . . 28 
Foundations 39 
Notes on Specifications 76 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1918 
