Topography Breaklines

The dataset contains breakline features derived photogrammetrically to support 2’ contours.. This data is used for the planning and management of Washington, D.C. by local government agencies.本数据集包含经摄影测量方法提取的断裂线特征，用于辅助生成2英尺间距等高线。该数据可供华盛顿哥伦比亚特区的地方政府机构用于规划与管理工作。