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10-Q PROPERTY, PLANT AND EQUIPMENT, NET AND MINERAL RIGHTS (Tables)
 3 Months Ended
Mar. 31, 2022
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment, Net Depreciation is computed using the straight-line method over estimated useful lives as follows:
Building
7 to 15 years
Vehicles and equipment
3 to 7 years
Processing and laboratory
5 to 15 years
Furniture and fixtures
2 to 3 years
Properties, plant and equipment at December 31, 2021 and 2020, respectively, include the following:
December 31, 2021December 31, 2020
Land$6,328,338 $— 
Real property leased to third parties3,298,311 3,298,311 
Property, plant and equipment for mineral processing27,644,745 27,644,744 
Other property and equipment4,438,657 4,367,229 
Accumulated depreciation(27,146,379)(26,685,584)
Total property, plant and equipment, net$14,563,672 $8,624,700 
Properties, plant and equipment at March 31, 2022 and December 31, 2021, respectively, include the following:
 March 31, 2022December 31, 2021
Land$6,328,338 $6,328,338 
Real property leased to third parties3,298,312 3,298,311 
Property, plant and equipment for mineral processing27,644,745 27,644,745 
Other property and equipment5,221,158 4,438,657 
Accumulated depreciation(27,284,196)(27,146,379)
Total property, plant and equipment, net$15,208,357 $14,563,672 
Schedule of Mineral Rights and Properties Our properties at December 31, 2021 and December 31, 2020 consisted of the following:
December 31, 2021December 31, 2020
Comstock Mineral Estate$6,261,706 $6,190,239 
Other mineral properties317,405 317,405 
Water rights90,000 90,000 
Total mineral rights and properties$6,669,111 $6,597,644 
Our properties at March 31, 2022 and December 31, 2021 consisted of the following:
March 31, 2022December 31, 2021
Comstock Mineral Estate$6,261,706 $6,261,706 
Lucerne mineral properties6,844,474 — 
Other mineral properties317,405 317,405 
Water rights90,000 90,000 
Total mineral rights and properties$13,513,585 $6,669,111