ILLlSTh'ATIOX FARMS OF THE COMMri'TFE ON LANDS 



2a 



APPENDIX No. 3 



10. Plot in diagram the positions of well, spring, or stream, and the farm buildings; 

 and indicate by arrow heads the general slope of ground in relation to the well. 

 The area below may be taken at 400 feet square. An arrow one inch long indi- 

 cates a very gentle slope (1 in 50) ; an arrow half-inch long, a steep slope (1 in 

 20 ; an arrow a quarer of an inch long, a very steep slope (1 in 5). (Thus 



■>Sg> > indicates a very gentle slope downwards in direction of arrow head 



"as 1 in 50). (The rectangles are each i an inch square.) 



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19909—3 



