2024 CFR > Title 43 > Subtitle A > Part 49 > Subpart A – Preserving, Managing, and Protecting Paleontological Resources

2023 CFR > Title 43 > Subtitle A > PART 49 > Subpart A – Preserving, Managing, and Protecting Paleontological Resources

2022 CFR > Title 43 > Subtitle A > Part 49 > Subpart A – Preserving, Managing, and Protecting Paleontological Resources