Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Clay    30  0     30  0 Grey freestone post    8  6     38  6 White freestone post    1  0     39  6 Black metal    20  0     59  6 Black post    8  0     67  6 White post    6  0     73  6 Blue metal    3  0     76  6 COAL    0  4     76  10 White post    22  6     99  4 Black post    13  0     112  4 Grey whin - Little Limestone (?)    6  0     118  4 Grey beds    4  6     122  10 Whetstone    2  0     124  10 Blue metal    16  0     140  10 Blue whin    1  6     142  4 Grey post    4  0     146  4 Black stones    1  0     147  4 COAL    1  10     149  2

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 0445 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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