The Mystery of John McMahon's Grave, Big Hill mentions granite stone markers south of the Tunnel. Some believed he was buried there, but further research has found he is buried at the Kangaroo Flat Cemetery in the Roman Catholic section, Grave No. 1134 on 20 May, 1874. Also mentioned is his widow was appointed Gate Keeper at Ravenswood on 2 September, 1874. Also mentioned is the death of Frederick Benton, who died on 24 February, 1860 of peritonitis. There is a sepia? Photo taken of the Big Hill Tunnel (Bendigo side looking south) from Picture Australia c. 1875 and a coloured one of the Big Hill Tunnel Bendigo side (photo taken March, 2008). On page 2 are two coloured views at Big Hill for John McMahon, 850 metres south of Big Hill Tunnel entrance, Melbourne side/east of line (photos taken March, 2008).person, individual, john mcmahon, mystery of john mcmahon's grave, big hill, john mcmahon, big hill tunnel, mrs i marchesi, mr marchesi, mrs ivy irene marchesi (nee bone), sarah mcmahon, sarah mcewan (mckeown/mckeon), ravenswood station, kangaroo flat cemetery, sarah jane mcmahon, frederick benton, pictureaustralia, vic rail, melbourne to mount alexander-murray rail line, stone markers for john mcmahon