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(1) Various accidents and other events resulted in temporary suspensions of production at the Lucky Friday unit during 2011 and throughout 2012. See the Lucky Friday Segment section for further discussion. Care-and-maintenance, mine rehabilitation, investigation, and other costs incurred during the suspension periods not related to production have been excluded from total cash costs and the calculation of total cash cost per silver ounce produced. 

## Financial Liquidity and Capital Resources 

Our liquid assets include (in millions): 

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