Shafts	Index	Shafts

Geology encountered   Thickness   Depth   ft. in.   ft. in. Outset    6  0     6  0 Soil    0  6     6  6 Clay, with sandy partings    24  0     30  6 Sand, with a siping of water    8  0     38  6 Strong blue gravelly clay    24  0     62  6 Yellow freestone    9  0     71  6 COAL - Five Quarter Seam    0  6     72  0 Strong freestone    27  0     99  0 Blue stone    20  10     119  10 Strong grey post    27  0     146  10 Blue stone    8  0     154  10 COAL - Brockwell Seam or Main Coal    4  8     159  6 Grey post    4  0     163  6 Grey metal, with post girdles    3  0     166  6 Strong white post    4  0     170  6

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 1202 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"

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