Geological notes and local details for 1:10 000 sheets NZ25NW, NE, SW and SE, : Kibblesworth, Birtley, Craghead and Chester-le-Street, part of 1:50 000 sheet 20 (Newcastle upon Tyne) and sheet 21 (Sunderland)

Cox, F.C.

NORA

Geological notes and local details for 1:10 000 sheets NZ25NW, NE, SW and SE, : Kibblesworth, Birtley, Craghead and Chester-le-Street, part of 1:50 000 sheet 20 (Newcastle upon Tyne) and sheet 21 (Sunderland)

Cox, F.C.. 1983 Geological notes and local details for 1:10 000 sheets NZ25NW, NE, SW and SE, : Kibblesworth, Birtley, Craghead and Chester-le-Street, part of 1:50 000 sheet 20 (Newcastle upon Tyne) and sheet 21 (Sunderland). Institute of Geological Sciences, 25pp. (WA/DM/83/028) (Unpublished)