Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Outset    4  6     4  6 Soil    0  8     5  2 Quarry rubble    6  6     11  8 Blue soft metal, mixed with iron girdles    3  8     15  4 COAL - Towneley Seam    1  0     16  4 Brown post    10  0     26  4 COAL - Hodge Seam    0  10     27  2 Brown post    2  4     29  6 Blue metal, mixed with iron girdles    6  0     35  6 COAL - Tilly Seam    1  4     36  10 Seggar, mixed with iron girdles    4  0     40  10 White post    1  2     42  0 Blue metal    2  6     44  6 COAL - Hand Coal Seam    0  4     44  10 Seggar, mixed with iron girdles    4  10     49  8 White post    4  8     54  4 Blue metal    2  0     56  4 White post    88  2     144  6 COAL - Busty Seam    4  3     148  9     COAL    1  4            Band    0  9            COAL    2  2        Good seggar    1  8     150  5 Coarse seggar    3  7     154  0

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 0690 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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