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Mineral Properties - Properties - Exploration Expense (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Notes to Financial Statements |  |
Geologic and field expenses | $ 311,000 | $ 1,307,000
Administrative | 486,000 | 378,000
Mt. Hamilton exploration |  | 301,000
Total exploration expense | $ 797,000 | $ 1,986,000

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