• London Lead Company, Bargains and Payments in the Alston and Teesdale Districts – David McAnelly
• The Olive Bank Colliery, Musselburgh – Simon Chapman
• When John Buddle of Newcastle was asked to evaluate some Portuguese coal mines (1818) – José Manuel Brandão and Robert Vernon
• From Bwlch y Llû to Prince Edward – A gold mine investigated – R.M Callender
• A survey of Booze Wood dressing floor, Arkengarthdale, North Yorkshire – Alan Mills and Richard Smith
• Flooding in Slei Gill, Arkengarthdale 2019 – its impact and the location of the Farndale Smelt Mill – Alan F. Mills and Judith Mills
• Pelsall Collieries, Aldridge, Staffordshire – Nigel A. Chapman

A5, 93pp

This is available free to all paid-up members for 2021 or available for sale on this page.