May 2018 Project Martha – Historical & Archaeological Background 36 Figure 26. Photograph, dated 21 March 1907, showing the Grand Junction Mine complex with battery visible at far left (source: Sir George Grey Special Collections, Auckland Libraries, AWNS-1907032112-1) Figure 27. Photograph, dated 29 September 1910, showing the Martha Hill at right with Waihi Gold Mining Company’s shafts and the Grand Junction Powerhouse in the foreground (source: Sir George Grey Special Collections, Auckland Libraries, AWNS-19100929-10-6)
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