Show MODERN DERN MACHINERY IS 18 AN AID TO maintenance tho best road in tho the long run la Is the hard road but there aro are many localities where the use of the hard raad road does not permit its cost to bo an economy econ ottly tor for the community hence the sand clay gravel shell and other types of ronilo not hard A surface which are built such stich roads require constant co inaina aro to remain smooth vr formerly m e aly such was dono done by teams nut but modern ingenuity has provided road tools which can be ba applied to trucks with a great economy of time jime labor and money As an P ample consider kent county michigan where according to th tho annual report of the county road commissioners there are mils mil s of gravel roads varying in width from 10 to IG icet feet the total width ot of the grade varying from 20 to 30 feet nearly all of the scraping and grading work Is taken caro care of the scrapers attached to trucks chien 1 with tho the scraper attached travel about 10 to 12 miles per laur h our each truck does the work of df six or seven teams the gravel roads are kept smooth by the constant use of scrapers or graders and by the application of thin layers of screened gravel where required one halt inch to ono one inch of eche ened gravel la Is kept on face of the road all the time by scraping around to 1111 ruts and holes it la Is possible to maintain a smooth road under a of several thousand vehicles a day |