Lithographic map of the Pilbara Electoral District with hand drawn annotations including that of the Electoral District boundaries laid on linen. We assume that this map was used to define new electoral boundaries and may be unique, being the amended and updated copies of this map, presumably to the 1st November 1900The general area covered is from Solitary Island and along the coast to north of Marlambool Well. There are no pastoral leases assigned in the interior though it does show the telegraph line and surveying tracks.John Sherlock Brooking was Deputy Surveyor General from 1887 to 1890 and became acting Surveyor General in 1890 when John Forrest, his predecessor, relinquished the position, to become Treasurer and Premier of Western Australia. Brooking acted in the position for six years before retiring



