Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Outset    10  0     10  0 Brown post    30  0     40  0 COAL - Five-Quarter Seam    5  11     45  11     COAL    3  10     45  11     Clay band    0  3     45  11     COAL    1  10     45  11 Strong seggar    3  0     48  11 Hard white post    2  0     50  11 Hard blue metal    1  0     51  11 Hard white post    3  0     54  11 Mild white post    6  0     60  11 Mild grey post    3  6     64  5 Blue metal    5  8     70  1 COAL    1  0     71  1 Ganister    2  0     73  1 Hard white post    7  0     80  1 Hard red post    2  2     82  3 Hard white post    19  0     101  3 Strong grey metal    10  1     111  4 Mild blue metal    6  0     117  4 COAL - Main Coal Seam    6  2     123  6     COAL    3  6     123  6     Black seggar band    0  2     123  6     COAL    2  6     123  6

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 0533 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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