22 
—SBHBBaa 
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 
New Experiments: 
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 
Buena Vista, Fla 35 
Jupiter, Fla. 38 
West Palm Beach, Fla 40 
Ocala,FIa 41 
Supplementary Reports: 
Lemon City, Fla 45 
West Palm Beach, Fla 46 
_ — - Page 
Supplementary Reports) — Continued 
Miami, Fla SVJk'P' ' * ^ 
Rockville Pike, Montgomery County, 
Md 48 
Washington, D. C 55 
Chevy Chase, Md., 1912 . . . . .67 
Chevy Chase, Md., 1911 60 
Jamaica, N. Y 65 
Ames, Iowa 67 
Enoxville, Tenn 67 
Youngstown, Ohio 68 
Garden City, eta!., Kans 69 
Bowling Green, Ky. . ...... 71 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1916 
