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Page 1 of 43   
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Black Hawk Shaft
Black Hawk Shaft  
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Black Hawk District Mine Wastes
Black Hawk District Mine...  
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Black Hawk Mine Waste Dump- Sampling
Black Hawk Mine Waste...  
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Carbonate vein
Carbonate vein  
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Carbonate vein
Carbonate vein  
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Black Hawk sample (BLHK571)
Black Hawk sample (BLHK571)  
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Black Hawk sample (BLHK534) Carbonate quartz vein N30
Black Hawk sample...  
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Quartz carbonate vein
Quartz carbonate vein  
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Black Hawk District Mine Wastes, Trench Sampling in Alhambra
Black Hawk District Mine...  
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Shaft in the Black Hawk District
Shaft in the Black Hawk...  
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Black Hawk sample (BLHK579) dike with pyrite
Black Hawk sample...  
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Black Hawk District
Black Hawk District  
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Construction in Black Hawl District
Construction in Black Hawl...  
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Black Hawk sample (BLHK574) boulder of carbonate vein from the shaft with metallics, N55
Black Hawk sample...  
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Carbonate vein
Carbonate vein  
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Carbonate vein
Carbonate vein  
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Black Hawk Adit
Black Hawk Adit  
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Natural Exposure (andesite?)
Natural Exposure (andesite?)  
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Quartz monzonite contact
Quartz monzonite contact  
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Quartz monzonite outcrop
Quartz monzonite outcrop  
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Mine waste sampling at Alhambra by students from NMT as part of the mine waste sampling project
Mine waste sampling at...  
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Outcrop
Outcrop  
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Black Hawk sample (BLHK550) Carbonate vein
Black Hawk sample...  
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Black Hawk District, Alhambra Mine Waste
Black Hawk District...  
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Carbonate vein in the Black Hawk district
Carbonate vein in the...  
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Black Hawk District Mine Wastes, Trench in Alhambra
Black Hawk District Mine...  
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Carbonate vein in the Black Hawk district
Carbonate vein in the...  
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An old mailing sign in the Black Hawk district
An old mailing sign in the...  
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Black Hawk District
Black Hawk District  
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Black Hawk District, Monzonite
Black Hawk District, Monzonite  
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Black Hawk Radioactivity Survey
Black Hawk Radioactivity...  
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Alhambra Mine Wastes Sampling
Alhambra Mine Wastes Sampling  
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Black Hawk District Mine Waste Sampling
Black Hawk District Mine...  
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Carbonate vein
Carbonate vein  
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Labeling and recording during water and bio(microbes) sampling in the old gold stope at the Carlisle mine by bureau staff and students from NMT as part of the mines waste sampling project.
Labeling and recording...  
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Land scape and vegetation at the Carlisle-Center mine at the Steeple Rock district in New Mexico.
Land scape and vegetation...  
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Water and Bio(microbes) sampling in the old gold stope at the Carlisle mine by bureau staff and students from NMT as part of the mines waste sampling project.
Water and Bio(microbes)...  
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Rabbit found underground at the Carlisle mine in Steeple Rock.
Rabbit found underground...  
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Water and Bio(microbes) sampling in the old gold stope at the Carlisle mine by bureau staff and students from NMT as part of the mines waste sampling project.
Water and Bio(microbes)...  
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Quartz Calcite with iron oxidation stains at the Carlisle-Center mine at the Steeple Rock district in New Mexico.
Quartz Calcite with iron...  
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Old facility at the Carlisle-Center mine at the Steeple Rock district in New Mexico.
Old facility at the...  
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Labeling and recording during water and bio(microbes) sampling in the old gold stope at the Carlisle mine by bureau staff and students from NMT as part of the mines waste sampling project.
Labeling and recording...  
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Very yellowish material is tailings found at the Carlisle-Center mine at the Steeple Rock district in New Mexico.
Very yellowish material is...  
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Water and Bio(microbes) sampling in the old gold stope at the Carlisle mine by bureau staff and students from NMT as part of the mines waste sampling project.
Water and Bio(microbes)...  
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Water and Bio(microbes) sampling in the old gold stope at the Carlisle mine by bureau staff and students from NMT as part of the mines waste sampling project.
Water and Bio(microbes)...  
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Carbonate vein in the Black Hawk district
Carbonate vein in the...  
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Water and Bio(microbes) sampling in the old gold stope at the Carlisle mine by bureau staff and students from NMT as part of the mines waste sampling project.
Water and Bio(microbes)...  
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Water and Bio(microbes) sampling in the old gold stope at the Carlisle mine by bureau staff and students from NMT as part of the mines waste sampling project.
Water and Bio(microbes)...