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gptkb:Mponeng_Gold_Mine
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4,027 meters
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gptkb:Treharris_Colliery
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over 600 yards
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gptkb:Pyhäsalmi_Mine
|
1444 meters
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gptkb:Harworth_Colliery
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over 1000 meters
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gptkb:Huncoat_Colliery
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up to 800 yards
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gptkb:Horden_Colliery
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over 1,000 feet
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gptkb:Kiveton_Park_Colliery
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over 400 yards
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gptkb:Seaham_Colliery
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over 1800 feet
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gptkb:Gedling_Colliery
|
over 600 meters
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gptkb:Murton_Colliery
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over 1,000 feet
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gptkb:Frickley_Colliery
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over 800 yards
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gptkb:Deep_Navigation_Colliery
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deepest in South Wales at time of opening
|
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gptkb:Yorkshire_Main_Colliery
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over 900 yards
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gptkb:Mponeng_gold_mine
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approximately 4,000 meters
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gptkb:Shireoaks_Colliery
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over 400 yards
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gptkb:TauTona_Mine
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3,900 meters
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