Various angles and patterns on the storage tanks at the Leming pilot plant, Cold Lake area, Alberta. 

Various angles and patterns on the storage tanks at the Leming pilot plant, Cold Lake area, Alberta. 

Various angles and patterns on the storage tanks at the Leming pilot plant, Cold Lake area, Alberta. 

Imperial Oil's Ioco refinery as seen from the pier, Burrard Inlet, Vancouver, British Columbia. 

Plaque dedicated at site of Canada's first service station during 75th anniversary celebrations of Imperial Oil Limited, Vancouver, B.C. 

Imperial Oil executives at official opening of new packaging plant, at Imperial Oil refinery, Sarnia, Ontario. 

Imperial Oil executives at official opening of new packaging plant, at Imperial Oil refinery, Sarnia, Ontario. 

Main lobby of Imperial Oil building, Toronto, Ontario. 

Office of Imperial Oil Company Limted at refinery, Sarnia, Ontario. 

Imperial Oil Company tanker 'Imperial Hamilton.' 

Dignitaries looking at plaque and 13-gallon kitchen tank used to provide street curb service during 75th anniversary celebrations of Imperial Oil Limited, Vancouver, B.C. 

Imperial Oil Limited service station attendant filling automobile gas tank. 

Imperial Oil Limited's top marketing managers attending a planning meeting held at the Royal York Hotel, Toronto, Ontario. 

Mural in main lobby of Imperial Oil building, Toronto, Ontario. 

Mural in main lobby of Imperial Oil building, Toronto, Ontario. 

Couple admiring mural in main lobby of Imperial Oil building, Toronto, Ontario. 

Imperial Oil service station, Stratford, Ontario. 

Installation of mural in main lobby of Imperial Oil building, Toronto, Ontario. 

G.L. Miles speaking about the achievements of Imperial Oil Limited in celebration of the 75th anniversary of Imperial Oil Limited, Vancouver, B.C. 

Diane Loranger, a geologist for Imperial Oil Limited, at work testing formations in the Rocky Mountains, Alberta. 

Pump jacks and steam lines at Leming pilot plant, Cold Lake area, Alberta. 

Pump jacks and steam pipes at Leming pilot plant, Cold Lake area, Alberta. 

Pumps on a pad, reflecting the system of directional drilling of several wells from one pad, Cold Lake area, Alberta. 

Inside steam room at Leming pilot plant, Cold Lake area, Alberta. 

Aerial view of wells and steam line patterns, Cold Lake area, Alberta. 

Aerial view of the Leming pilot plant showing the plant and several nearby well clusters, Cold Lake area, Alberta. 

Pumps on a pad, reflecting the system of directional drilling of several wells from one pad, Cold Lake area, Alberta. 

Aerial view of camp and construction of new Leming pilot plant, Cold Lake area, Alberta. 

Pump jacks and steam pipes at Leming pilot plant, Cold Lake area, Alberta. 

Aerial view of the Leming pilot plant showing the plant and several nearby well clusters, Cold Lake area, Alberta. 

Aerial view of May Lake pilot project, Cold Lake area, Alberta. 

Pump jacks in field, Cold Lake area, Alberta. 

Imperial Oil bulk service station, Reston, Manitoba. 

Various angles and patterns on the storage tanks at the Leming pilot plant, Cold Lake area, Alberta. 

Aerial view of the Leming pilot plant and several nearby well clusters, Cold Lake area, Alberta. 

Foremost tracked vehicle being serviced at Bar-C base camp, at Imperial Oil Limited's drilling rig site on the Mackenzie Delta at Tununuk, Northwest Territories. 

President of Imperial Oil Limited Jack Armstrong wearing hardhat at Bear Island, Norman Wells, Northwest Territories. 

View of Imperial Oil Limited's drilling rig and storage tanks located on the Mackenzie Delta at Tununuk, Northwest Territories. 

Premier Gasoline truck at Imperial Oil Limited fuelling station, southern Alberta. 

Imperial Oil Company tank truck, Canada. 

New office building for Imperial Oil Limited Devon, Alberta. 

Doctor Reginald Killmaster Stratford, Chief Research Chemist, Imperial Oil Limited, Sarnia, Ontario. 

Doctor Reginald Killmaster Stratford, Chief Research Chemist, Imperial Oil Limited, Sarnia, Ontario. 

Dealers outside Imperial Oil Limited's mobile training unit, Ontario. 

Photograph of Murray Westgate portraying an Esso dealer in the making of a television commercial for Imperial Oil. 

Imperial Oil Company tanker 'Imperial Dartmouth.' 

Imperial Oil Company pump station, Oil Springs, Ontario. 

Dealer training inside Imperial Oil Limited's mobile training unit, Ontario. 

Imperial Oil Company tanker 'Impoco .' 

Newly constructed house for oilfield worker, Devon, Alberta.