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operations
In 2013, Hecla's Greens Creek mine produced 7.4 million ounces of silver at an average cash cost per ounce of $4.42(1). Hecla currently produces silver from two silver mines, Greens Creek and Lucky Friday. The Lucky Friday mine resumed operations and production in early 2013 and produced 1.5 million ounces of silver. In June 2013, Hecla's acquisition of Aurizon Mines Ltd., brought Hecla the Casa Berardi gold mine located in Quebec, Canada, which produced 62,532 ounces of gold during the last seven months of 2013.

(year ended December 31)
  Silver Ounce Production
(in thousands):

 
2010
 
2011
 
2012

2013
  Greens Creek Unit
Lucky Friday Unit (2)
Total silver ounces

  7,207
3,359
10,566
6,498
2,985
9,483

6,394

      - -

6,394


7,448

     1,459

8,907

  Gold Ounce Production:  
 

Greens Creek Unit

Casa Berardi Unit(3)
Total gold ounces

 

68,838

        - -

68,838

56,818

        - -

56,818

55,496

        - -

55,496


57,457

  62,532

119,989

  Average cash cost per ounce: ($/oz)  
  Cash cost per ounce of silver(1)
Cash cost per ounce of gold(1)

$ (1.46)
$  1.15
$2.70
$6.84

      $ 951


(1) Cash cost, after by-product credits, per silver or gold ounce is a non-GAAP measurement. A reconciliation of cash cost, after by-product credits, per silver or gold ounce to cost of sales and other direct production costs and depreciation, depletion and amortization (GAAP) can be found in the legal page of this website.

(2) During 2012, the Lucky Friday conducted rehabilitation work with operations and production resuming as planned in early 2013.

(3) Casa Berardi gold mine was purchased on June 1, 2013, from Aurizon Mines Ltd.