30% coverage west SI50-6, 45% coverage east SI50-5 (Busselton/Collie) 22-1/I50-5-6/3

25% coverage west 22-3/D53-5/3-1

35% coverage west 22-1/G56-15/8 Vertical scale: 50

40% coverage, south west & central north east missing 22-3/D53-5/3-1

22-1/E52-9/1 Contour interval: 10

22-1/E54-15/9 Vertical scale: 75

45% coverage, south west & north east corners missing 22-3/D53-5/9-1 Vertical scale: 100

(full) 22-1/E53-10/7 Vertical scale: 75

22-3/D53-5/7-5 Vertical scale: 150

22-3/D53-5/4-1 Vertical scale: 50