2023 Massachusetts General Laws ch. 131 sec. 10A – Nature preserves; designation

2022 Massachusetts General Laws ch. 131 sec. 10A – Nature preserves; designation

2020 Massachusetts General Laws ch. 131 sec. 10A – Nature preserves; designation

2019 Massachusetts General Laws ch. 131 sec. 10A – Nature preserves; designation

2017 Massachusetts General Laws ch. 131 sec. 10A – Nature preserves; designation

2016 Massachusetts General Laws ch. 131 sec. 10A – Nature preserves; designation

2015 Massachusetts General Laws ch. 131 sec. 10A – Nature preserves; designation

2014 Massachusetts General Laws ch. 131 sec. 10A – Nature preserves; designation

2013 Massachusetts General Laws ch. 131 sec. 10A – Nature preserves; designation

2009 Massachusetts General Laws ch. 131 sec. 10A – Nature preserves; designation