732 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



rond prndor, 4 wheel scraiKM's. 1 culinvny disk harrow, 1 clay plow, 1 turning 

 plow, and 1 spil<e-tooth harrow. The total cost of (his road to the comnninity 

 was $l2ri'J.75. whicli is at the rate of 33.6 cents per square yard, or $435 per mile. 

 These fi^'ures arc hascd on prison labor at fiO cents i>er day and county teams at 

 75 cents iier day. The work comprised 7,S45 square yards. 



Darlington, S. C. — The work at Darlington, S. C, was begun on .Tune 27, 

 1010, and finished on July 9, 1010. It thus falls partly within the preceding 

 fiscal year. The road was the Darlington-Florence Koad and was graded to .-i 

 length of 3.7SO feet an average of 25 feet wide. All but the last 100 feet was 

 surfaced 20 feet wide with sand-clay construction, of which 2,045 cubic yards 

 were used. This material was obtaintnl near the road and cost $127.25. Four 

 pilie culverts were built at a cost of $52.70. Clearing, grubbing, and gi'adlng 

 the road cost $00. 



The total cost of the rond to the connnnnity was $269.95, which is at the 

 rafc> of 3.3 cents per square yard, or $387 per mile. Prison labor cost 50 cents 

 per 10-hour day and mule teams 75 cents per day. The work comprised 8,178^ 

 square yards. 



Hampton, S. C. — For a distance of .500 feet on the Estelle Road, running 

 south from Hampton, a sand-clay wearing surface was built. The construc- 

 tion commencetl on August 13, 1910, and was completed ou August 17, 1910. 

 In addition to the sand-clay surfacing, 1,000 feet were graded 30 feet wide. 

 The local authorities furnished a grading machine, two wheel scrapers, and four 

 2-wheel dump carts. No grading was done, but the road was shaped at a 

 cost of $20, and 179 cubic yards of sand-clay material, costing 19 cents per 

 cubic yard in place, were used. A force of 23 prisoners, costing 35 cents per 

 day per man for a wcrking day of 12 hours, was used on this road. Teams 

 cost 50 cents per day. The total cost of the road to the community was 

 $54, which is at the rate of 0.1 cents per square yard, or $420.10 per mile. 

 This expenditure includes the unsurfaced grading. The work comprised 889 

 square yards. 



KiNGSTREE, S. C. — This road is the Johnsonville Road, running east toward 

 Johnsonville. The road is 800 feet long, runs through level country, and is 

 underlaid with sand. The work commenced on April 6, 1911, and was finished 

 on April 13, 1911. No excavating was done, but a sand-clay mixture was 

 applied for a width of 20 feet, with 2i-foot shonlders. Clay to the amount of 

 345 cubic yards was dug from a pit at a cost of 3^ cents per cubic yard, hauled 

 an average distance of one-half mile for 23.5 cents per cubic yard, and spread 

 for 1.8 cents per cubic yard. Shaping and mixing cost $6.20, while spreading 

 the sand and dragging the road cost $5.90. The total cost of the road was, 

 therefore, $112.10, which is at the rate of 6.3 cents per square yard, or $73& 

 per mile. 



This road w-as constructed for the purpose of demonstrating the best methods 

 for securing a proper sand-clay mixture by the use of the disk harrow and Id 

 order to introduce the use of the split-log drag. 



The above figures were based on pri.son labor at 5 cents per hour, teams at 

 10 cents per hour, and foreman at 20 cents per hour. The work comprised 

 1,777 square yards. 



KiNGSTREE, S. C. — Work on surfacing with a sand-clay mixture 400 feet of 

 the Charleston Road, running north toward Lake City, began here on April 10, 

 1911, and ended ou April 13, 1911. The road was finished to a width of 20 

 feet, with 2i-foot shoulders, at a cost of $41.80. The cost was 47 cents per 

 square yard, or at the rate of $552 per mile. The work comprised 885 square 

 yards. Prison labor on this work cost 45 cents per day of nine hours; foreman, 

 $1.S0 : and teams, 90 cents per day. 



This section of road was built for the purpose of demonstrating the method 

 of mixing sand and clay by using the disk harrow and also in order to introduce 

 the use of a drag. No excavation was required. 



Waterloo, S. C. — This road is the St. George Road, running northwest 

 toward St. George for 1 mile. The work commenced on September 20, 1010. 

 and was completed on November 25. 1910. The surrounding country is mostly 

 level or slightly rolling. The subsoil was partly sand and partly cVay. Three 

 thousand six hundred and fifty-four cubic yards of earth were excavated, and 

 this reduced the grade from 5 per cent to 2.80 per cent. The cost was 6.06 

 cents per cubic yard, making the total cost $221.55. The work was done with 

 a road machine^ slip scrapers, 5 dump wagons, a steel road drag, and a disk 



