Occasionally there is overlap with Management e.g. industrial location, tourism. Management selects material which approaches these topics from a management perspective. Consultation on territorial sea and maritime boundaries. Public policy as applied to the environment requires consultation. There is common interest in social problems in western and third world countries.
Historical geography is the domain of geography.
Travels, exploration and topography overlap and require consultation. Of common interest are Third World development, women in development and cultural geography. Occasional consultation required. A fair amount of material of interest to geographers is purchased by the very nature of the subject i.e. the regional emphasis in Canada. The subject can be approached from an engineering, urban design or regional planning perspective.