BLM CA Wilderness Study Areas

This polygon feature class represents the spatial extent and boundaries of the BLM National Landscape Conservation System (NLCS) Wilderness Study Areas. This state...本多边形要素类（polygon feature class）用于表征美国土地管理局（Bureau of Land Management, BLM）国家景观保护系统（National Landscape Conservation System, NLCS）所辖荒野研究区的空间范围与边界。本州……