Plan at 50.5 metres above sea level, car park west site, Kornhill Development (1980–circa 1987), Quarry Bay, Hong Kong香港鰂魚涌康山發展項目(1980至約1987年)停車場西面用地於香港主水平基準以上50.5米之平面圖
September 1983, revised January 1986, digitised [2000s]
BDD reference: 2/7090/81/1B; FSD reference: FPB 8/17464; job number: 1067; drawing number: IB/A/2-03e; scale: 1/200; drawing title: plan at level 50.50; project: Housing Development MTRC Island Line, Site I.L. 8566.