 ... liable to become broken up and destroyed by frost and the wheels of vehicles. Therefore, where the road runs through low wet lands or over certain kinds of clayey soils, surface drainage is not all that is necessary. Common side drains catch surface...  Country Roads - Página 18editado por - 1894 - 64 páginasVista completa - Acerca de este libro
 | United States. Department of Agriculture - 1898 - 770 páginas
...that is necessary. Common side drains catch surface water and surface water only. Isaac Potter says: Many miles of road are on low, flat lands and on springy...the year, laid on a wet subsoil. In all such cases, aud, indeed, in every case where the nature of the ground is not such as to insure quick drainage,... | |
 | Indiana. Department of Geology and Natural Resources - 1905 - 1534 páginas
...clayey soil, sub-drainage therefore becomes necessary. On this subject Potter has written as follows : "Many miles of road are on low, flat lands and on...quick drainage, the road may be vastly benefited by under-drainage. An under-drain clears the soil of surplus water, dries it, warms it, and makes impossible... | |
 | Archer Butler Hulbert - 1905 - 242 páginas
...that is necessary. Common side drains catch surface water and surface water only. Isaac Potter says: "Many miles of road are on low, flat lands and on...is not such as to insure quick drainage, the road maybe vastly benefited by under drainage. An under drain clears the soil of surplus water, dries it,... | |
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