PART OF MAP SHOWING CONTOURS AND STREET GRADES 



1916 



Contours at 20-foot intervals are shown thus «« 



Street grades 0% to 3% inclusive are shown thus x ^- 



3.1% " 4.9% g,^ 



5% " 9.9% m ^^^ 



10% and upward ^^^^_ 



Fig. 23. 



