ROADS 219 



should be promoted before permanent road construction. 

 Roads should be passable at all times of the year. This 

 adds regularity and stability to the trade of the country. 

 Roads can be bettered with the material and money at hand. 

 The farmer loses by not being able to market when prices 

 are high. Good roads will assist in solving the social prob- 

 lems of the farm. Good roads can be had in nearly all 

 localities by sandwiching some local material between good 

 drainage and eternal vigilance in maintenance. 



BIBLIOGRAPHY 



Literature relating to the various phases of the public road prob- 

 lem and methods of construction and maintenance may be had upon 

 application to the Bureau of Public Roads, United States Department 

 of Agriculture, Washington, D. C. The subject upon which informa- 

 tion is desired should be named. Similar information can be furnished, 

 to a limited extent, by the state highway commission or the state engi- 

 neer's office, usually located at the capital of the state. 



Agg, T. R. Construction of Roads and Pavements. McGraw-Hill. 

 Aitkin, Thomas. Road Making and Maintenance. J. B. Lippincott 



Co. 

 Baker, Ira O. Treatise on Roads and Pavements. John Wiley & 



Sons. 



Blanchard, Arthur H. American Highway Engineers' Handbook. 

 John Wiley & Sons. 



Blanchard, Arthur H. Highway Engineering. John Wiley & Sons. 



Harger, Wilson Gardner, and Bonney, Edmund Arnold. High- 

 way Engineers' Handbook. McGraw-Hill. 



Morrison, Charles Edward. Highway Engineering. John Wiley 

 & Sons. 



Spalding, Frederick P. Roads and Pavements. John Wiley & Sons. 



