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Finding Maps in the Map Library

Finding Maps of Ohio and Other States | Printable version of this guide

How to read a call number | Subjects in a state | Subjects in a county | Subjects in a city | Find Maps by Geographic Region

How to read a call number

Most maps are arranged by call number under G.

G3731 .C5 1972 .U5 The first section tells you WHAT region, country, state, city. This map is of Maine.
G3731 .C5 1972 .U5 The second section tells you the subject of the map .C5 is geology. This is a geologic map of Maine.
G3731 .C5 1972 .U5 The date tells you the date the map was printed, or surveyed. This map was made in 1972.
G3731 .C5 1972 .U5 The last section may or may not be present on the map. It gives the first letter of the author’s name. This map was produced by the United States Geological Survey, hence .U5

Subjects in a state (for example in Ohio)

Substitute any state’s call number G_ _ _ 1 to browse the subject)

G 4081

.C3 Hydrogeology/ hydrology

.C4 Ground water

.C5 Geology

.E653 Tourist

.F7 Political boundaries

.G3 Natural Resources

.J3 Soils

.P2 Roads/ transportation

Subjects in a county (for example in Ohio)

Substitute any state’s call number G_ _ _3

G4083

.P7 (Portage county)

.C5 (Geology)

Subjects in a city (for example in Ohio)

Substitute any state’s call number G_ _ _ 4

G4084

.A3 (city of Akron)

.P2 (Roads)

Finding Maps by Geographic Region

By Location: Each country, region has its own call number range. Here are a few starting places.

World Maps: G3200

Americas

North America: G3300
Canada: G3400
United States: G3700
Caribbean: G4390
Mexico: G4410
Central America: G4800
Puerto Rico: G4970
South America: G5200

Europe: G5700

Western Europe: G5720
British Isles: G5740
Central Europe: G6030
Southern Europe:G6530
Iberian Peninsula (Spain & Portugal): G6540
Balkan Peninsula: G6800
Eastern Europe: G6965

Asia/ Middle East

Middle East: G7420
South Asia: G7625
Far East: G7800
Southeast Asia: G8000
Malaysia: G8030
Philippines: G8060
Indonesia: G8070
Papua New Guinea: G8160

Africa