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In case of difficulties check the Login problems page that is rather detailed but does address every difficulty members have reported to date.

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Membership renewal: If you are renewing an existing or recently expired membership please use this link to Sign In to the membership management system we use: membermojo. Signing in requires the email address we have on file for you (where we send communications such as the e-Newsletter). You will be sent an email with a clickable link to a personalised renewal form.

If you would like to access this content you will need to join PDMHS. Read more about membership benefits and how to join here.

Some of the menu items will work if you are not logged in such as "Login problems" for obvious reasons!

Logged in members of PDMHS can access additional information including:

Index to Observations & Discoveries from new series newsletters & location maps
Copies of the PDMHS Bulletin of Mining History
An archive of the society’s newsletter since the first issue on 1 Jan 1962
Supplementary content to Mining History bulletins such as:
- Pretoria Mine – appendices to Mining History 19.6
- Watergrove Publication Report – appendices to Mining History 20.2 PDF
- Masson Cavern Survey Catalogue: Supplement to Bulletin 21.5/6 (3MB PDF)
Video “Blue John Mine”
Members swap-shop
Heritage walk details including some or all of: description, map, photos, web links, relevant publications

Recently added

Ongoing:
We aim to add electronic copies of regular publications: the Mining History bulletin and Newsletters shortly after print publication.
November 2023
- Calendar of the Barmasters’ Collection belonging to the Duchy of Lancaster and kept at Chatsworth House Arranged and described by Roger Flindall
- Alport Mines & Sough, a report by Laurence Hurt describing field work (with photographs) from 1959 to the 1980s.
- Articles from Mining History Volume 21
- Catalogue for the Curated materials in the PDMHS Accessible Digital Archive (ADA)
January 2024
- Index to Jim Rieuwerts' 35mm slide collection (see January 2024 newsletter)
- Richard “Dickie” Bird's video Derbyshire Lead Mining (go to Private content>Videos)
March 2026
- KNOWN COLLIERIES AND IRONSTONE MINES IN NORTH-EASTERNMOST DERBYSHIRE
  This is a substantial corpus by John Barnatt that supplements an article in Mining History, the first part of which will appear in Autumn 2026. It brings together all the historical and archaeological data found by John that enabled the paper to be written.