EXERCISE No. 69 

 FARM DRAINAGE 



Object: To locate the drainage lines needed on a farm. 



Material : Plat of farm, paper, and rule. 



Method: Make a drawing of the lateral tile drainage 

 needed on a 160-acre farm. Use red ink except for the 

 heavy main lines, which should be black. 



Conclusion : Location of the tile drains and the number 

 of rods of tile on the entire farm. 



104 



