318 LESSONS IN AGRICULTURE 



middle. Then with spades or a scraper, if the space 

 is large, grade it up from the sides to the center, so 

 that the center is about one inch higher than the level 

 of the ground where it is not plowed. 



4. Place a layer of coarse stones over this surface 

 next, and a layer of gravel or finer stones over the 

 coarser stones. Smooth it all over so that the walk 

 gradually slopes from the center to the ditch left at 

 the side by the plow's furrow. 



5. The walk is now ready for use. The side ditch 

 or drain should be kept open, and the roadbed proper- 

 ly graded. 



References: Farmers' Bulletin, Nos. 136 and 338. 



Problems 



1. Find out how much tax your father pays for the 

 roads of the county. "What is the rate of road tax in 

 your county or state? 



2. Learn from some citizen or from your Road 

 Commissioner his estimate of the cost of constructing 

 a mile of gravel or crushed stone road in your section, 

 and then determine what it would cost to build such 

 a road on all the main lines of the school district. 



LESSON XC 

 TIMOTHY HAY 



Time for harvest. Very soon after the wheat har- 

 vest is over the timothy hay will be ready for cutting. 

 We have five acres on our farm, and we shall expect at 

 least three tons per acre. Some farmers say that timothy 



