Aerial photograph - Sait Lawrence River and the beginning of the Thousand Islands at Blockhouse Island, Brockville, Ontario. © Rob Huntley 2011
Aerial photograph - Entrance to the harbour at Blockhouse Island, Brockville, Ontario. © Rob Huntley 2011
Aerial photograph - Saint Lawrence River at Blockhouse Island, Brockville, Ontario. © Rob Huntley 2011
