THE ARTIFICIAL ROCK GARDEN 49 

 circular course to the left for about 1 5 yards. 



Contour Line? 



J)r.arf iSKruis Ito^ijt. 

 _ Tall3WuJ>S 4to8Jt» 

 ^ ir Trees . OoLK^'-rch^JJno: 



Fig. 2. 



After passing the corner at A, the bank gradu- 

 ally takes a more gentle slope, receding from 



