2024 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports

2023 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports

2022 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports

2021 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports

2020 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports

2018 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports

2017 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports

2015 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports

2014 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports

2013 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports

2012 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports

2010 16 USC 543d – Ecological studies; reports to Congressional committees and to Chief of Forest Service; progress reports