The Hekman Library uses the Library of Congress Classification System. Each subject area has a combination of letters followed by numbers, then more letters, and possibly a publication date. This is referred to as the "call number." Here is the way the call numbers are structured in Geography, Geology, and Environmental Science.
Browse in these call number areas (3rd floor) to find resources on Geography:
| Call Number | Subject |
|---|---|
| G | General, including atlases, globes, and maps |
| GA | Cartography |
| GB |
Physical geography, including Geomorphology, Hydrology and Natural Disasters |
| GF | Human ecology |
Browse in these call number areas to find Geology and Environmental Science resources:
| Call Number | Subject |
|---|---|
| QE (5th floor) | Geology |
| GE (3rd floor) | Environmental Science/Studies |
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