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Long-Term Reclamation Liability | 9 Months Ended
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Sep. 30, 2020
Asset Retirement Obligation Disclosure [Abstract] |
Long-Term Reclamation Liability | Long-Term Reclamation Liability Following is a reconciliation of the Company's aggregate reclamation liability, including asset retirement obligations, associated with our reclamation plan for our mining projects:
| Nine Months Ended |  | Twelve Months Ended
| September 30, 2020 |  | December 31, 2019
Long-term reclamation liability — beginning of period | $ | 6,034,208 |  |  | $ | 7,441,091 |
Reduction of obligation | — |  |  | (410,018) |
Amount reclassified to liabilities held for sale | — |  |  | (1,019,705) |
Accretion of reclamation liability | 15,533 |  |  | 22,840 |
Long-term reclamation liability — end of period | $ | 6,049,741 |  |  | $ | 6,034,208 |
Reclamation Liability Reduction by NDEP On April 30, 2019, the Company was notified by the Nevada Division of Environmental Protection ("NDEP") that the Company's successful reclamation of parts of the Lucerne mine area had reduced the Lucerne project reclamation cost estimate with an updated reclamation bond requirement of $6.8 million. Our total reclamation liability also includes cost estimates for our Dayton project and enhanced reclamation obligations in Storey County, Nevada.

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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2175671 + Details
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