Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Soil, clay, and brown post    21  0     21  0 COAL    2  7     23  7 Metals    254  6     278  1 COAL - 5/4 Seam    3  2     281  3 Metals    100  9     382  0 COAL - Main Coal Seam    6  0½     388  0½ Metals    44  6     432  6½ COAL - Maudlin Seam    4  10     437  4½     COAL (two bands of 1 inch and 2 inches)    4  10        Metals    72  7     509  11½ COAL - Low Main Seam    3  3     513  2½ Metals    47  7     560  9½ COAL - Hutton Seam    5  0     565  9½

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume F-K, published by the North of England Institute of Mining & Mechanical Engineers, 1885

  original entry for sinking/boring number 0854 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume F-K, published by the North of England Institute of Mining & Mechanical Engineers, 1885"