Bui. 141, U. S. Dept. of Agriculti 
Plate X. 
Fig. 1 .— A County Drainage Ditch in Clyde Loam. 
Hundreds of square miles of this productive soil have been reclaimed 
tor agricultural uses in this manner. 
-H— ^r«"v-«, ^ 
Fig. 2.— Clearing the Clyde Clay in Preparation for Tile Underdrainage. 
Note the excellent crop of corn on land already tiled. 
