The Rocky Flats National Wildlife Refuge was previously a buffer zone for a production facility of what?
Rocky Flats Plant The Rocky Flats Plant was a former nuclear weapons production facility in the western United States, near Denver, Colorado. Operated from 1952 to 1992, it was under the control of the U.S. Atomic Energy Commission (AEC), succeeded by the Department of Energy (DOE) in 1977.
Neal Smith National Wildlife Refuge The Neal Smith National Wildlife Refuge is a federal national wildlife refuge located in Jasper County, Iowa, United States. The refuge, formerly known as Walnut Creek, is named after Congressman Neal Edward Smith, who championed its creation. It seeks to restore the tallgrass prairie and oak savanna ecosystems that once covered most of Iowa. It has a herd of approximately 75 buffalo (bison) and 25 elk.