Prairie restoration is a conservation effort to restore prairie lands that were destroyed due to industrial, agricultural, commercial, or residential development. The primary aim is to return areas and ecosystems to their previous state before their depletion.

The Badger Army Ammunition Plant or Badger Ordnance Works (B.O.W.) is an excess, non-BRAC, United States Army facility located near Sauk City, Wisconsin. It manufactured nitrocellulose-based propellants during World War II, the Korean War, and the Vietnam War. It was a large munitions factory during World War II. As of 2013, the facility was in the end stages of demolition and remediation in preparation for property transfer.