Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Outset    9  0     9  0 Soil and sand    8  0     17  0 Sand and gravel, with water    23  0     40  0 Soft yellow sandstone    2  0     42  0 Soft blue metal stone    6  0     48  0 Strong freestone, mixed with whin    4  6     52  6 Black metal (Wedging Crib)    1  3     53  9 Hazel    4  9     58  6 Famp bed    0  5     58  11 Hazel    6  6     65  5 Grey metal, mixed with plate (Wedging Crib)    10  5     75  10 Grey slate stone    2  2     78  0 Strong grey post    3  1     81  1 Strong grey slate    1  5     82  6 Black stone    3  0     85  6 Grey slate    0  9     86  3 Black metal (Wedging Crib)    2  3     88  6 Strong post, with water (Wedging Crib)    21  0     109  6

Source: An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume A-B, published by the North of England Institute of Mining & Mechanical Engineers, 1878

  original entry for sinking/boring number 0247 in "An Account of the strata of Northumberland & Durham as proved by Borings & Sinkings, Volume A-B, published by the North of England Institute of Mining & Mechanical Engineers, 1878"

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