Yorumlar: Flood frequency and culvert sizes needed for small watersheds in the central Appalachians / by J.D. Helvey.

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Detaylı Bibliyografya
Materyal Türü:	Kitap
Dil:	İngilizce
Konular:	Culverts Floods Appalachian Region bruggen bridges kanalen canals constructie construction duikers culverts afvoer discharge erosie erosion bosproducten forest products bosbouw forestry bossen forests hydrologie hydrology rivieren rivers wegenbouw road construction bodembescherming soil conservation fluviatiele erosie stream erosion rivierafvoer stream flow waterlopen streams vs usa water waterbescherming water conservation beheer van waterbekkens watershed management Hydrology Forest Ecology Hydrologie Bosecologie
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