Fig. 16. Trees Left Above Grade. If Others are Planted at x, x, x, the 

 Old Ones can be Removed in a Few Years Without Injuring the Property. 



Fig. 17. Street Grade Raised Two Feet Without Changing Sidewalk ot 

 Injuring Trees. Practicable Only on a Side Street. 



Fig. 18. Trees on Curb, A, Must Compete With Electric Wires; Those 

 Inside Walk, B, Have Head-room. Note Fine Row, C, Protected from Street 

 by Sidewalk. 



