Earth, Sand-Clay, And Gravel Roads (1917) : Kessinger Publishing : 9781166425845 : 1166425843 : 10 Sep 2010 : Earth, Sand-Clay, and Gravel Roads is a book written by Charles Henry Moorefield and published in 1917. This book is a comprehensive guide to road construction and maintenance using natural materials such as earth, sand-clay, and gravel. The author begins by discussing the importance of good roads and the different types of materials that can be used to construct them. He then delves into the specifics of each material, providing detailed instructions on how to prepare, lay, and maintain roads made from earth, sand-clay, and gravel. Moorefield also covers the different types of equipment needed for road construction and maintenance, including graders, rollers, and scrapers. He provides tips on how to properly use these tools to achieve the best results. In addition to the technical aspects of road construction, the book also touches on the economic and political factors involve