TILE DRAINAGE 



39 



iited by tile drainage. There are a large number of tracts 

 of land in this state varying from a few acres to several 

 hundred which come under the above conditions. These 

 lands may be classified as follows: 



(1) Meadow lands. 



(2) Gently rolling tillable lands. 



(3) Wet lands around inland lakes and along rivers. 



(4) Swampy lands adjacent to salt water but above high 

 tide. 



Fig. 10. Filling ditches with plow. 



< ( 



Meadow lands" y>^ould include those that are compara- 

 tively fiat and level and are usually overflowed in the 

 spring, a small brook commonly running through them or 

 at one side. They are used largely for hay and pasture, the 

 cultivated grasses being grown, but in early and dry sea- 

 sons may be plowed and cultivated. The soil is usually a 

 heavy, dark colored clay with a marked tendency to crack 

 open on the surface when drying out. This clay consists 

 mainly of very fine sand and silt and being of glacial origin 



