Page:The State and Position of Western Australia.djvu/142

 The following' account of the buoys at the entrance of the above harbours has been extracted from the Nautical Magazine for March 1835, into which it was copied from the Perth Gazette, forwarded to that publication by the Surveyor-General, Lieutenant J. S. Roe, R. N.

A ship may safely enter Cockburn Sound by passing to the north of the Challenger Buoy and Stags Beacon, and to the south of the Mid and Flat Ledge Beacons; steering S. E. by E. ¾ E. in Mid-channel. This course may be prolonged until the Flat Ledge and Mid Beacons are brought in a line; then haul up to the east, until the largest rock