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Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Blue metal    12  6     12  6 Freestone beds    16  6     29  0 Blue metal    25  6     54  6 Limestone    2  8     57  2 Fire clay    1  0     58  2 Freestone    19  0     77  2 Metal    10  0     87  2 Grey freestone    0  9     87  11 Metal    4  6     92  5 COAL    2  8     95  1

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume C-E, published by the North of England Institute of Mining & Mechanical Engineers, 1881

  original entry for sinking/boring number 0583 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume C-E, published by the North of England Institute of Mining & Mechanical Engineers, 1881"

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