Royal Oil Company warehouse, Barrie, Ontario. 

Imperial Oil Company refinery, London, Ontario. 

Dry kiln, Imperial Oil Company refinery, Petrolia, Ontario. 

Museum on the site of James Miller Williams' well, Oil Springs, Ontario. 

Modern and old photographs of Petrolia, Ontario. 

Warehouse, [Imperial Oil Company], Rat Portage, Ontario. 

Premier Oil Company, Petrolia, Ontario. 

Storage tanks and warehouse, Imperial Oil Company refinery, [Petrolia], Ontario. 

Refined oil bleacher, Imperial Oil Company refinery, Petrolia, Ontario. 

Huntsville marketing office, Imperial Oil Company, Huntsville, Ontario. 

Tin can plant, Imperial Oil Company refinery, Petrolia, Ontario. 

Receiving crude, Premier Oil Company, Petrolia, Ontario. 

Barrel stave storage, Imperial Oil Company refinery, Petrolia, Ontario. 

Bleacher, Premier Oil Company, Petrolia, Ontario. 

Stills at Imperial Oil Company refinery, Petrolia, Ontario. 

Barrel house, Premier Oil Company, Petrolia, Ontario. 

Stills at Imperial Oil Company refinery, Petrolia, Ontario. 

Kingston warehouses, Imperial Oil Company, Kingston, Ontario. 

Stable, Imperial Oil Company refinery, Petrolia, Ontario. 

Canadian Oil Refinery, Petrolia, Ontario. 

Paraffine bleacher, Imperial Oil Company refinery, Petrolia, Ontario. 

Canadian Oil Refinery, Petrolia, Ontario. 

Imperial Oil Company warehouse, Stratford, Ontario. 

Queen City Oil Works, Hamilton, Ontario. 

Kingston warehouses, Imperial Oil Company, Kingston, Ontario. 

Imperial Oil Company warehouse, Stratford, Ontario. 

Imperial Oil Company warehouse, Stratford, Ontario, 

Imperial Oil Company Limited, Hamilton, Ontario. 

Refined oil agitator, Imperial Oil Company refinery, Petrolia, Ontario. 

Elevated storage tank, Imperial Oil Company refinery, Petrolia, Ontario. 

Barrel filling house, Imperial Oil Company refinery, Petrolia, Ontario. 

Barrel stave storage, Imperial Oil Company refinery, Petrolia, Ontario. 

Blacksmith and boiler shop, Imperial Oil Company refinery, Petrolia, Ontario. 

Imperial Oil Company warehouse, Chatham, Ontario. 

Reducing stills at Imperial Oil Company refinery, Petrolia, Ontario. 

Reducing stills at Imperial Oil Company refinery, Petrolia, Ontario. 

Treating house, Premier Oil Company, Petrolia, Ontario. 

Water pump house, Imperial Oil Company refinery, Petrolia, Ontario. 

Imperial Oil Company refinery, Petrolia, Ontario. 

Royal Oil Company warehouse, Peterborough, Ontario. 

Imperial Oil Company head office and warehouse, London, Ontario. 

Imperial Oil/Esso oil storage tanks on beach at Goderich, Ontario. 

Imperial Oil Company warehouse, Windsor, Ontario. 

Ruins after fire at Imperial Oil Company refinery, Petrolia, Ontario. 

Imperial Oil Company building, Stratford, Ontario. 

Imperial Oil Company Limited, Hamilton, Ontario. 

Warehouse, Imperial Oil Company refinery, Petrolia, Ontario. 

Pump house and boiler house, Premier Oil Company, Petrolia, Ontario. 

Imperial Oil Company warehouse, Stratford, Ontario. 

The cradle of Canada's petroleum industry is in Lambton County, Ontario, where this drilling rig struck oil.