. Agriculture; a text for the school and the farm . mostconstant attention. Repairs should be made when few days spent upon the road at different times through-out the year will accomplish a great deal. It is a seriousmistake to devote all of the time in road building to a par-ticular season, leaving the road without care the remainderof the year. Most communities need a few men and teamsspending their entire time in keeping roads in repair. Dragging earth roads.—One of the most useful de-vices for the maintenance of public earth roads is the split-log drag. This works with great effi
. Agriculture; a text for the school and the farm . mostconstant attention. Repairs should be made when few days spent upon the road at different times through-out the year will accomplish a great deal. It is a seriousmistake to devote all of the time in road building to a par-ticular season, leaving the road without care the remainderof the year. Most communities need a few men and teamsspending their entire time in keeping roads in repair. Dragging earth roads.—One of the most useful de-vices for the maintenance of public earth roads is the split-log drag. This works with great efficiency on both earthand gravel roads. To obtain the best results the roads ROAD BUILDING AND MAINTENANCE 427 should be dragged once each way after every heavy must be done while the soil is moist but not sticky. It is not necessary to employ the direct supervision ofskilled engineers for the maintenance and repair of earthand gravel roads, providing the rules and suggestions theylay down are carefully and intelligently followed. A dif-. Tlie split-log drag at work on an Iowa road. ficult piece of construction or fixing of grades should, how-ever, always be carried out under the supervision of anexpert. Topics for Investigation 1. What is the prevailing type of road in your local-ity? How many miles of public roads in your school dis-trict? In your county? 2. What roads do you know which climb steep hills i*Can you devise a method by which you can measure the 428 AGRICULTURE grade of the incline, and find how many feet risft to each one hundred feet? 3. How many split-log drags in your school district?What road machinery is owned by the township or roaddistrict ? 4. Under what management is the care of roads inyour locality? Name the road officials of your districtand county. Give a statement of the road laws of yourstate. 5. What different materials are used in constructingbridges, culverts and road drainage systems in your local-ity ? Which seems to be the most sat
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectagriculture, bookyear
