Historic Landmarks Points

This is a spatial dataset of record for the storage, maintenance, and display of historically significant structures within the District of Columbia for planning and management purposes.本数据集为记录类空间数据集，用于支撑华盛顿哥伦比亚特区内具有历史意义的建筑的存储、维护与展示工作，服务于该区域的规划与管理需求。