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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, 2018
Tables/Schedules |
Schedule of sales by significant product type |
| December 31, 2018 | December 31, 2017
Concentrate sales to H&H Metal | $ | 3,305,731 | $ | 4,200,211
Dore’ sales to refineries |  | 324,106 |  | 81,360
Total | $ | 3,629,837 | $ | 4,281,571

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