Logged in members can access additional information including:

• Index to Observations & Discoveries from new series newsletters from issue 100 
• 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
• Video “Blue John Mine” 
• Members swap-shop 
• Heritage walk details including some or all of: description, map, photos, web links, relevant publications