170 MINNESOTA STATE HORTICULTURAL SOCIETY. 
tiles should be snugly fitted together at the ends, and several inches 
of the tougher clay part of the soi] at once placed on them and tramped 
into place. The remainder of the dirt can be plowed in or shoved in by 
team with a scraper attached to the front wheels of a wagon, and so 
arranged that the team can easily back it up for a new load. 
Machines for opening tile ditches are only fairly well perfected. For all 
ordinary work the laborer is the cheapest. In large tracts where no stones 
interfere, some of the tile machines make the labor cheaper. Elliot’s 
little book on drainage, published by the Drainage Journal, at Indian- 
apolis, Indiana, is a good and cheap book for those who expect to spend | 
money in ditching. . ue j 
13 
