Mgwatwaww*"*"'"— ' "i^*" 



UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 407 



Contribution from the Office of Public Roads and Rural Engineering 

 LOGAN WALLER PAGE, Director 



Washington, D. C. 



PROFESSIONAL PAPER 



November 10, 1916 



PROGRESS REPORTS OF EXPERIMENTS 



IN DUST PREVENTION AND ROAD 



PRESERVATION, 1915 



CONTENTS 



Page 

 New Exiteriments: 



Mount Vernon Avenue Road, Alex- 

 andria County, Va 2 



Falls Road, Montgomery County, Md. 24 

 Bradley Lane, Montgomery County, 



Md 30 



Washington, D. C 32 



Bnena Vista, Fla 35 



Jupiter, Fla 38 



West Palm Beach, Fla 40 



Ocala, Fla. , . . 41 



Supplementary Reports: 



Lemon City, Fla 45 



West Palm Beach, Fla 46 



_. Page' 



Supplementary Reports — Continued 



Miami, Fla *.jj.».>. . . 47 



Rockrille Pike, Montgomery County, 



Md t 48 



Washington, D. C ' 55 



Chevy Chase, Md., 1912 57 



Chevy Chase, Md., 1911 60 



Jamaica, N. Y 65 



Ames, Iowa 67 



Enoxville, Tenn 67 



Youngstown, Ohio 68 



Garden City, etal., Eans 69 



Bowling Green, Ky 71 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1916 



