2024 16 CFR 802.3 – Acquisitions of carbon-based mineral reserves

2023 16 CFR 802.3 – Acquisitions of carbon-based mineral reserves

2022 16 CFR 802.3 – Acquisitions of carbon-based mineral reserves

2021 16 CFR 802.3 – Acquisitions of carbon-based mineral reserves

2020 16 CFR 802.3 – Acquisitions of carbon-based mineral reserves

2019 16 CFR 802.3 – Acquisitions of carbon-based mineral reserves

2016 16 CFR 802.3 – Acquisitions of carbon-based mineral reserves

2015 16 CFR 802.3 – Acquisitions of carbon-based mineral reserves

2014 16 CFR 802.3 – Acquisitions of carbon-based mineral reserves

2010 16 CFR 802.3 – Acquisitions of carbon-based mineral reserves

2009 16 CFR 802.3 – Acquisitions of carbon-based mineral reserves