ECA - Steep Slope

Displays areas with 40% steep slope or greater in the City of Seattle. A polygon feature class showing areas with an incline of 40% or more (10 feet of vertical rise...本数据集展示西雅图市范围内坡度不低于40%的陡坡区域。该数据集为多边形要素类（polygon feature class），用于表征坡度≥40%（即每水平行进10英尺对应垂直抬升……）的区域。