2024 30 USC 541d – Location of source materials by holders of coal leases

2023 30 USC 541d – Location of source materials by holders of coal leases

2022 30 USC 541d – Location of source materials by holders of coal leases

2021 30 USC 541d – Location of source materials by holders of coal leases

2020 30 USC 541d – Location of source materials by holders of coal leases

2018 30 USC 541d – Location of source materials by holders of coal leases

2017 30 USC 541d – Location of source materials by holders of coal leases

2015 30 USC 541d – Location of source materials by holders of coal leases

2014 30 USC 541d – Location of source materials by holders of coal leases

2013 30 USC 541d – Location of source materials by holders of coal leases

2012 30 USC 541d – Location of source materials by holders of coal leases

2010 30 USC 541d – Location of source materials by holders of coal leases