This item contains the following documents:

1. Handwritten manuscript, written by Johnson and entitled ‘An Unusual Assemblage of Zincian Phosphates at Reaphook Hill, South Australia’. Undated. Fourteen pages.
   
   
2. Typewritten manuscript for an article written by Johnson, entitled ‘An Unusual Assemblage of Zincian Phosphates at Reaphook Hill, South Australia. Undated. Twelve pages.