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Management - Labor Relations (Tables) | 12 Months Ended
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Dec. 31, 2022
Risks and Uncertainties [Abstract] |
Schedule of operations with employees represented by labor unions | The following table presents the Company’s active and inactive mining operations as of December 31, 2022 in which the employees are represented by organized labor unions:
Mine |  | Approximate Number of Active Employees Represented |  | Union |  | Current Agreement Expiration Date or Date Amendable
U.S. |  |  |  |  |  |
Kayenta |  | 20 |  | UMWA |  | November 2024
Shoal Creek |  | 330 |  | UMWA |  | December 2024
Australia |  |  |  |  |  |
Wilpinjong |  | 465 |  | CFMMEU |  | June 2024
Coppabella |  | 330 |  | CFMMEU |  | February 2026
Moorvale (1) |  | 225 |  | N/A |  | June 2023
Metropolitan |  |  |  |  |  |
Underground employees |  | 150 |  | CFMMEU |  | May 2025
Handling and preparation plant employees (2) |  | 20 |  | CFMMEU |  | May 2021
Wambo Underground |  |  |  |  |  |
Underground employees |  | 120 |  | CFMMEU |  | November 2025
Handling and preparation plant employees |  | 20 |  | CFMMEU |  | August 2025
(1) Employees of the Moorvale Mine operate on individual contracts under a direct engagement model. Such contracts are modeled after the Company’s former labor agreement with CFMMEU which ended in 2017. According to a memorandum of understanding between the Company and employees, individual contracts may be renegotiated in June 2023. (2) The Company, employees and the CFMMEU are currently negotiating a new labor agreement.

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