2024 33 USC 665 – Survey for debris reservoirs; study of methods of mines and mining

2023 33 USC 665 – Survey for debris reservoirs; study of methods of mines and mining

2022 33 USC 665 – Survey for debris reservoirs; study of methods of mines and mining

2021 33 USC 665 – Survey for debris reservoirs; study of methods of mines and mining

2020 33 USC 665 – Survey for debris reservoirs; study of methods of mines and mining

2018 33 USC 665 – Survey for debris reservoirs; study of methods of mines and mining

2017 33 USC 665 – Survey for debris reservoirs; study of methods of mines and mining

2015 33 USC 665 – Survey for debris reservoirs; study of methods of mines and mining

2014 33 USC 665 – Survey for debris reservoirs; study of methods of mines and mining