Petrographs

Every month we release a new edition of the Petrograph, our club newsletter.

Here are the past editions:

2023

• June
• May
• April
• March
• February
• January 

2022

• December
• November 
• October
• September
• June
• May
• April
• March
• February
• January

2021

• December
• November
• October
• September
• June
• May
• April
• March
• February
• January

2020

• December
• November
• October
• September
• June
• May
• April
• March
• February
• January