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Mineral Properties - Additional Information (Details) - Nevada	Mar. 31, 2016 mi² a MiningClaim
Sleeper Gold Mine
Mineral Properties [Line Items]
Unpatented mining claims	2,322
Area covered by lode mining claims | mi²	72.5
Mill Creek property
Mineral Properties [Line Items]
Area covered by lode mining claims | a	720
Unpatented lode mining claims	36
Spring Valley property
Mineral Properties [Line Items]
Area covered by lode mining claims | a	760
Unpatented lode mining claims	38

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- Definition

Mineral properties.

+ References

No definition available.

+ Details

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- Definition

Number of unpatented lode mining claims.

+ References

No definition available.

+ Details

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- Definition

The number of mining claims that the company owns the right to that haven't been patented as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Area covered under unpatented lode mining claims that the Entity owns.

+ References

No definition available.

+ Details

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- Details

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- Details

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X

- Details

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X

- Details

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