2024 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish

2023 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish

2022 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish

2021 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish

2020 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish

2018 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish

2017 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish

2015 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish

2014 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish

2013 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish

2012 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish

2010 16 USC 693b – Robert S. Kerr Memorial Arboretum and Nature Center in Ouachita National Forest; authority to establish