2024 30 USC 201 – Leases and exploration

2023 30 USC 201 – Leases and exploration

2022 30 USC 201 – Leases and exploration

2021 30 USC 201 – Leases and exploration

2020 30 USC 201 – Leases and exploration

2018 30 USC 201 – Leases and exploration

2017 30 USC 201 – Leases and exploration

2015 30 USC 201 – Leases and exploration

2014 30 USC 201 – Leases and exploration

2013 30 USC 201 – Leases and exploration

2012 30 USC 201 – Leases and exploration

2010 30 USC 201 – Leases and exploration