Industrial Archeology Sites
Transportation (railroad)
Mt. Washington Cog Ry.
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Materials (lumber forestry)
Port Daniel Sawmill
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Food Processing (mill)
Pine creek Roller Mill
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Transportation (highway)
Clifton Suspension Bridge
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Food Processing (brewery)
Anheuser-Bush Brewery
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Transportation (railroad)
Royal Albert Bridge
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Transportation (highway)
Wheeling Suspension Bridge
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