Concrete Mine Stringers

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Concrete Mine Stringer Forms (1 of 5)
Concrete Mine Stringer Forms (1 of 5)
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Concrete Mine Stringer Forms (2 of 5)
Concrete Mine Stringer Forms (2 of 5)
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Concrete Mine Stringer Forms (3 of 5)
Concrete Mine Stringer Forms (3 of 5)
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Concrete Mine Stringer Forms (4 of 5)
Concrete Mine Stringer Forms (4 of 5)
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Concrete Mine Stringer Forms (5 of 5)
Concrete Mine Stringer Forms (5 of 5)
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Details for Concrete Stringers Showing Old Method of Fastening Rails
Details for Concrete Stringers Showing Old Method of Fastening Rails
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Profile of Old Stringers with Reference to New Stringers From Bottom of Cribbing
Profile of Old Stringers with Reference to New Stringers From Bottom of Cribbing
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Progress Report on Concrete Stringers at No.4 Shaft
Progress Report on Concrete Stringers at No.4 Shaft