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ENVIRONMENTAL AND NATURAL RESOURCE DAMAGE LIABILITIES (Tables) | 3 Months Ended
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Mar. 31, 2021
Environmental Remediation Obligations [Abstract] |
Schedule of Environmental Loss Contingencies by Site | Changes in environmental and NRD liabilities from December 31, 2020 to March 31, 2021 are shown below:
| Port Gamble, WA
Non-current portion at December 31, 2020 | $10,615
Plus: Current portion | 1,026
Total Balance at December 31, 2020 | 11,641
Expenditures | (111)
Total Balance at March 31, 2021 | 11,530
Less: Current portion | (930)
Non-current portion at March 31, 2021 | $10,600

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