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Nathan Invincible: Quincy Mine Hoist No. 4
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Nathan Invincible: Quincy Mine No. 7 Boiler House
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Nathan Invincible: Quincy Mine Hoise No. 4
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Nathan Invincible: Quincy Mine Hoise No. 4
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Nathan Invincible: Quincy Shafthouse No. 2
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Nathan Invincible: Quincy Shafthouse No. 2
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Nathan Invincible: Views over the Portage Canal towards Houghton, MI
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Nathan Invincible: Quincy Mine No. 2 Shaft Hoist House