Postcard. Sepia photograph of on the front it is stamped Bendigo Sewerage Authority, 14th October 1922. Photograph of a car, 4 men, a tower you could climb and a round brick tank, with a ladder leaning against it. Written on the back 'One Tree Hill', with compliments Gordon Nivine, Engineer-in-chief. 14/10/22.postcard, photograph, one tree hill., postcard. photograph. one tree hill. 14th oct. 1922. bendigo sewerage authority.