The Rocky Flats National Wildlife Refuge was previously a buffer zone for a production facility of what?
Rocky Flats National Wildlife Refuge The Rocky Flats National Wildlife Refuge is a unit of the National Wildlife Refuge System in the United States located approximately 16 mi northwest of Denver, Colorado. The site was previously the Rocky Flats Plant's security buffer zone and is not currently open to the general public for access.
Rocky Mountain ponderosa pine forest The Rocky Mountain ponderosa pine forest is a forest plant community at an elevation of 2100 - in the Rocky Mountains, in the U.S. state of Colorado. It is an important temperate coniferous forest ecoregion, including some endemic wildlife and grass species that are only found in this ponderosa pine ("Pinus ponderosa") habitat.