Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Clay    12  2     12  2 White post    37  5     49  7 COAL - Shield Row Seam    6  0     55  7     COAL, good    3  0            COAL, brassy    3  0        Soft blue metal and iron girdles    16  9     72  4 Strong blue metal and iron girdles    5  7     77  11 Blue metal    13  0     90  11 Grey post    5  1     96  0 Strong grey post    7  3     103  3 Blue metal and iron girdles    12  2     115  5 Grey post, mixed with white    56  0     171  5 Soft blue metal    0  9     172  2 COAL - Five-Quarter Seam    5  6     177  8 Stone    0  10     178  6 COAL - Brass Thill Seam    5  8     184  2

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume S-T, published by the North of England Institute of Mining & Mechanical Engineers, 1894

  original entry for sinking/boring number 1838 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume S-T, published by the North of England Institute of Mining & Mechanical Engineers, 1894"

  main page for South Pontop Colliery