Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Outset and soil    6  0     6  0 Brown post    29  3     35  3 Blue stone and post    1  8     36  11 Brown post    4  8     41  7 Blue stone    0  10     42  5 Brown post    20  1     62  6 Rotten stone    0  9     63  3 Brown post    4  2     67  5 Blue stone    32  8     100  1 Brown post    21  8     121  9 Blue stone, with post girdles    64  8     186  5 Limestone    14  9     201  2 COAL and blue stone    1  9     202  11 Thill stone    3  9     206  8 Scamy white post    2  5     209  1 White post    31  11     241  0 COAL    3  10     244  10

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910

  original entry for sinking/boring number 0926 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Supplement, published by the North of England Institute of Mining & Mechanical Engineers, 1910"

  main page for Fourstones Colliery