Harold Innis in Churchill, Manitoba

Official Pass for J.C. McLennan issued to him by the British Admiralty.

Prof. William A. Parks in trench

Map of CPR lines with Innis' annotations made while researching his Ph.D. dissertation on railways

William A. Parks, head of the Department of Geology and director of the Royal Ontario Museum seen in trench

Harold Innis with T.W. Harris, North West Territory

H.E.T. Haultain, professor of Mining Engineering

Frederick Coates in workshop of the Dominion Orthopedic Hospital, Christie St. Toronto