Handwritten notes titled 'Saddle Reefs and Spurs'. The notes were written to replace 'The Reefs' in a previous booklet. Notes describe saddle reefs and spurs, the different terminology relating to them, why some reefs were richer than others, where the shaft was positioned relating to the reef and the description of spurs and where they occur.document, gold, booklet notes, mining, booklet notes, saddle reefs and spurs, j n macartney, bendigo goldfield registry 1870, collman, lancashire line, nell gwynne line, new chum line, sheepshead line, garden gully line, collman and tacchi, great extended hustlers, a r