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8. Property, Plant and Equipment: Property, Plant and Equipment (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Details    
Mill land $ 225,289 $ 225,289
Building 536,193 536,193
Equipment 4,192,940 4,192,940
Less accumulated depreciation (798,272) (759,617)
Mill Buildings and Improvements, Net 4,156,150 4,194,805
Buildings and Improvements, Gross 143,725 143,725
Equipment 2,630,273 2,628,261
Less accumulated depreciation (912,921) (818,527)
Total building and equipment 1,861,077 1,953,459
Bear Creek Land 266,934 266,934
Little Baldy Land 230,449 230,449
Eastern Star Land 250,817 250,817
Gillig Land 79,137 79,137
Highwater Land 40,133 40,133
Land 867,470 867,470
Total $ 6,884,697 $ 7,015,734