Although Geography is scattered throughout the collections, there are 4 main sections of call number ranges for the subject. They are D, E, F and G.
D is the call number range for histories of the world outside of the Western Hemisphere. Within each country's call number range is a section for Geography.
E is the call number range for the United States. Within this call number range, there is a section for Geography.
F is the call number range for the rest of the Western Hemisphere and the individual states and provinces in the U.S and Canada. Within each call number range for a U.S. state, Canadian province or foreign country in the Western Hemisphere, there is a section for Geography.
G is the call number range for the Geography as a subject.
You can browse in those sections of the stacks, Berry Level 4, to see what's there.
Also, see the related subject headings in the online catalog.