BLM ES FA Natl Landscape Conservation Systems NMs and NCAs

This polygon feature class represents the spatial extent and boundaries of the BLM National Landscape Conservation System (NLCS) National Monuments, National...本多边形要素类（polygon feature class）用于表示美国土地管理局（Bureau of Land Management，BLM）国家景观保护系统（National Landscape Conservation System，NLCS）所辖国家纪念地及国家……的空间范围与边界。