Grand Canyon National Park Tract and Boundary Data

These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the...本批ESRI形状文件（ESRI Shapefile）涵盖由土地资源分部（Land Resources Division）制作的美国国家公园管理局（National Park Service）地块及边界数据。所有地块均已完成编号，由……创建。