58 



PRACTICAL LANDSCAPE GARDENING 



Fig. 58. — A " Tarvia 



AN IDEAL BITUMINOUS ROAD 



macadam roadt Free from dust and of good wearing qualities. - 

 See page 59 



at a right angle to the side line of the drive. Very often this large 

 stone can be found on the property (Fig. 57). After the stones are 

 placed they should be gone over with napping hammers and made 

 fairly even by breaking off the irregular edges; the pieces of stone 

 so broken off should be used to fill in chinks. Over this should be 

 placed three inches of one and one-half inch stone. Then a light 

 covering of three-quarter inch stone may be placed as a binder and 

 finished with clean breaker dust. The drive should be rolled be- 

 fore and after placing the three-quarter inch stone, with a roller 

 weighing not less than five tons. The three-quarter inch stone 

 and the dust should never be mixed together; the dust will work 

 through and the stone find the surface, making it rough and trouble- 

 some. When rolling the finished surface it should be wetted con- 

 stantly until a wave of water appears in front of the roller. 



BITUMINOUS ROADS 



The automobile is a new factor to be figured with in the con- 

 struction of drives, as we find the waterbound roads are not very 



