The Burwsood Island, Burswood canal and Heirrison island detail 
from a larger Perth Water map
Unknown author<span style="display: none;">Unknown author</span>
<cite>The Lord Mayor's report</cite><sup><a rel="nofollow" class="external autonumber" href="http://trove.nla.gov.au/work/22683555">[1]</a></sup>, The Council, 1950-1951