Il6 GARDEN PLANNING 



If possible, a position should be selected 

 where the ground is naturally approximately- 

 level. When this is not feasible, it becomes 



.1 "^^ I »iw»nini-^*»w& 



Fig. 24. — Level and straight-edge 



necessary to transfer soil from the higher to 

 the lower parts of the ground. The operator 

 should provide himself with a long straight- 

 edge (say, seven feet long) and a spirit-level, 

 as well as a supply of stout wooden pegs. 

 He must first get the foundation approximately 

 level, using the straight-edge on the surface, 

 or sighting from tall pegs driven into the ground 

 carrying cross-pieces fixed horizontally by 

 means of the level. He should then drive in 

 pegs over the whole surface six feet apart, 

 and standing so much above the foundation 

 as will allow for the amount of surface soil to 

 be subsequently distributed over it. Taking 

 a central peg as a datum, he should work out- 

 ward, adjusting each peg in turn by means 



