2021 Louisiana Constitution Art. 9 Sec. 2 – Natural Gas

2015 Louisiana Constitution Art. 9 Sec. 2 – Natural Gas

2016 Louisiana Constitution Art. 9 Sec. 2 – Natural Gas

2017 Louisiana Constitution Art. 9 Sec. 2 – Natural Gas

2019 Louisiana Constitution Art. 9 Sec. 2 – Natural Gas

2020 Louisiana Constitution Art. 9 Sec. 2 – Natural Gas