This item contains the following correspondence:

1. 16 May 1978. Typewritten letter to Johnson discussing identification of mineral specimen from Dome Rock (SA) and the mineralogy of Dome Rock. One page.
   
   
2. 6 June 1978. Typewritten letter to Johnson discussing phosphate deposits in South Australia and mineralogical reserves. One page.
   
   
3. 15 June 1978. Typewritten letter to Johnson discussing identification of mineral specimens and mineralogy. One page.
   
   
4. 18 July 1978. Typewritten letter to Johnson thanking him for mineral specimens from Clinton (SA), and discussing minerals from Moculta (SA) and Dome Rock (SA). One page.
   
   
5. 24 November 1978. Typewritten letter to Johnson discussing identification of various mineral specimens. One page.
   
   
6. 9 March 1979. Typewritten letter to Johnson discussing bermanite and minerals from the Preamimma Mine (SA). One page.
   
   
7. 24 April 1979. Typewritten letter to Johnson discussing identification of mineral specimens and the mineralogy of Preamimma (SA). One page.
   
   
8. 31 August 1979. Typewritten letter to Johnson discussing identification of mineral specimens. One page.
   
   
9. 21 May 1980. Typewritten letter to Johnson discussing identification of minerals from Preamimma (SA). One page.
   
   
10. 29 July 1980. Typewritten letter to Johnson discussing identification of mineral specimens. One page.
    
    
11. 8 April 1981. Typewritten letter to Johnson discussing identification of mineral specimens and the Mineralogical Society of South Australia. One page.
    
    
12. 28 April 1981. Typewritten letter to Johnson discussing inauguration of Mineralogical Society of South Australia, and identification of phosphate mineral specimens. One page.
    
    
13. 28 May 1981. Typewritten letter to Johnson discussing identification of mineral specimens and planned field trip to Olary (SA). One page.
    
    
14. 28 July 1981. Typewritten letter to Johnson discussing identification of various mineral specimens. One page.
    
    
15. 28 July 1982. Typewritten letter to Johnson discussing identification of mineral specimens from Hicks Quarry (SA). One page.
    
    

Australian locations mentioned in this correspondence include Dome Rock (SA), Moculta (SA), Angaston (SA), Fairview (SA), Clinton (SA), Waits Quarry (SA), Dookie (VIC), Tuena (NSW), Kapunda (SA), Iron Knob (SA), Preammima (SA), Reaphook Hill (SA), Lucas Heights (NSW), St Johns (SA), Olary (SA), and Mt Isa (QLD).

Individuals mentioned in this correspondence include John Jones, Rod Hill, Bill Ryall, Chris Amstutz, Col Price, and Rene van Tassel.