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13. Sales of Products: Schedule of sales by significant product type (Tables) | 12 Months Ended
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Dec. 31, 2020
Tables/Schedules |
Schedule of sales by significant product type |
| 2020 | 2019
Concentrate sales to H&H Metal | $ | 5,384,597 | $ | 5,857,942
Dore’ sales to refineries |  | 290,350 |  | 261,570
Total | $ | 5,674,947 | $ | 6,119,512

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