OCR Text |
Show Dustless Highways Increase. The rapidity with which the AmerfV can people are turning to the dustless highway is shown in figures recently compiled from reports to the United' States bureau of mines. The figures show that in the last eight years 5,000,000 tons of asphalt and asphaltfcT materials have gone into Americas highways a quantity sufficient for 50,000 miles of roads and streets. The) asphaltlc treated highways In , the? United States, if connected In oner-great oner-great roadway sixteen feet wide,, would twice circle the globe. |