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SEGMENTED INFORMATION - Revenue Concentration (Details)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
SEGMENTED INFORMATION    
Revenue Concentration 100.00% 100.00%
Mining | Segments Operating    
SEGMENTED INFORMATION    
Revenue Concentration 53.00% 16.00%
Closed mines services    
SEGMENTED INFORMATION    
Revenue Concentration 47.00% 44.00%
Corporate and other segment    
SEGMENTED INFORMATION    
Revenue Concentration   40.00%