Negative - mechanic working at Glenlea research station

Negative - mechanic working at Glenlea research station

Negative - cow milking at Glenlea research station

Negative - cow milking at Glenlea research station

Negative - cow milking at Glenlea research station

Negative - cow milking at Glenlea research station

Negative - building at Glenlea research station

Negative - building at Glenlea research station

Negative - student working at Glenlea research station

Negative - crops and pipe at Glenlea research station

Negative - tractor and harvester at Glenlea research station

Negative - crops in standing water at Glenlea research station

Negative - cattle barn at Glenlea research station

Negative - cattle barn at Glenlea research station

Negative - cattle barn at Glenlea research station

Negative - man in barn at Glenlea research station

Photograph - aerial view of Glenlea research station

Negative - grain field at Glenlea research station

Negative - unidentified men leading class

Negative - unidentified man leading class

Negative - unidentified man leading class

Negative - unidentified man leading class

Negative - unidentified man leading class

Negative - unidentified man at desk

Negative - unidentified man at desk

Negative - unidentified men at desks

Negative - man working with grain and tweezers

Negative - men in field

Negative - man working with milk

Negative - people working in laboratory

Negative - botanist working on grain

Negative - man demonstrating mower

Negative - man demonstrating mower

Negative - man demonstrating mower

Negative - dandelion with seeds

Negative - Baldur Stefansson in greenhouse

Negative - Baldur Stefansson in greenhouse

Negative - Baldur Stefansson in greenhouse

Negative - Baldur Stefansson in greenhouse

Negative - Baldur Stefansson in greenhouse

Negative - people working in laboratory

Negative - people working in laboratory

Negative - people working in laboratory

Negative - man milking pig

Negative - person drawing map

Negative - laboratory

Negative - greenhouses

Negative - woman in field