Piles

A linear feature class representing the outer boundaries of artificial, temporary accumulations of soils and dirts within the municipal boundaries of the City of London as identified through aerial imagery.本数据集为线性要素类（linear feature class），用于表征伦敦市行政辖区范围内经航空影像识别得到的人工临时堆土与渣土堆积体的外边界。