No. 4.] COUNTRY ROADS — APPENDIX. 



283 



with a broad-tired wheelbarrow. The gravel cross walk, 

 with a backbone in it, can be perpetuated by the road- 

 mender, if fit for his place and he knows how to win votes 

 with his work. 



The following sectional views are taken from the Harris- 

 burg steam roller circular. They show how prevalent the 

 notion of porous stone and road work is. It directs that 

 "No binding must go on the foundation course, as it is 

 necessary to be porous, so that water will readily pass 

 through, and for this reason excessive rolling must be 

 avoided at this stao;e." The italics are ours. 



Front Center of " Ro>utli&uy fo tfurb 15 Feet- 



Tig. 



W%/////s/4&/&&'J&> 



J*^**^ ' = CROSS-SECTIONS OF 1 



No farmer who is a builder would accept a section of this 

 " porous " stone work, twelve to fifteen inches deep, as a 

 foundation for the sill of a hog pen. How much more 

 quickly should we reject that kind of foundation for the 

 twisting pressure of loaded wagon wheels ? 



