Rocky Mountain Coal Mining Institute (RMCMI), Organizer notice (Sept. 25, 2020) (Ex. SEC-23-GM-015)
Railroad Commission of Texas, Oil and Gas Division, Notice to Oil and Gas Operators: Extension of Certain Administrative Compliance and Technical Permitting Expirations and Filing Requirements to December 31 (Sept. 29, 2020) (Ex. SEC-23-006)
U.S. Energy Information Administration, U.S. Field Production of Crude Oil, monthly (thousand barrels per day), data table as published Sept. 2026 (Sept. 30, 2021) (Ex. SEC-23-027)
