Mileage and Cost of Public Roads in the United States in 1909, Issues 41-48 |
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Common terms and phrases
12 feet Agriculture Altered andesite Approxi automobile average cost average depth average width Basalt bituminous bituminous material bituminous-macadam roads bridges built Bulletin cement cent improved cent of wear Chert clay construction COST DATA cost per mile counties report culverts Diabase Diorite Dollars earth roads engineer Epidosite Feldspathic sandstone five-year period foot foundation Gabbro Gneiss grade Granite gravel roads Hampshire Hornblende-schist improved roads inches Includes macadam roads mate percentage MILEAGE DATA Mileage of improved mileage of public miles of bituminous-macadam miles of sand-clay miles of shell mixed mortar ness Office of Public percentage of roads plain concrete PLATE Portland cement public roads Quartzite reinforced concrete reported for 1904 resurfacing Rhyolite road building road surface roads improved roads reported rock rods sand sand-clay roads shell roads Side trunk line slab spans square yard steel subgrade thick tion total mileage town Township traffic U. S. Dept Washington