Plan - Plans / Line Drawings - Port of Portland Authority Port Harbour Trust Slipway Bilge Blocks New Dolphin, Victoria, 21/09/1981 Historical information PORT OF PORTLAND AUTHORITY Physical description Line drawing Port Harbour Trust slipway, bilge blocks, 'New DolphinDrawing no. 4180 Inscriptions & markings Front: '26' - black texta, top right corner
