This item contains the following pieces of correspondence:

1. 5 March 1982. Typewritten letter to Johnson enclosing a one page article about Uranium written by JB Austin in 1889 and a three page Appendix written about the geology of Aclare (SA) by Joy Chilman, and discussing Johnson's article about Johann Menge and the geology of Aclare (SA). Five pages.
   
   
2. 17 March 1982. Typewritten letter to Johnson offering apology for being unable to attend and give a presentation at a 'society' (presumably the Adelaide Gem and Mineral Club) meeting. One page.
   
   

Individuals mentioned in this correspondence include Johann Menge, JB Austin, GJ Drew, and PW Askins.