Finding Maps in the Map Library
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United States
How to read a call numberMost 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
Finding a State by Location
Pacific
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| West North Central
| West South Central
| East North Central
| East South Central
| Middle Atlantic
| South Atlantic
| New England
| United States
- Maine: G3730
- New Hampshire: G3740
- Vermont: G3750
- Massachusetts: G3760
- Rhode Island: G3770
- Connecticut: G3780
- New Jersey: G3810
- New York: G3800
- Pennsylvania: G3820
- Delaware: G3830
- Maryland: G3840
- District of Columbia: G3850
- Virginia: G3880
- West Virginia: G3890
- North Carolina: G3900
- South Carolina: G3910
- Georgia: G3920
- Florida: G3930
- Kentucky: G3950
- Tennessee: G3960
- Alabama: G3970
- Mississippi: G3980
- Arkansas: G4000
- Louisiana: G4010
- Oklahoma: G4020
- Texas: G4030
- Minnesota: G4140
- Iowa: G4150
- Missouri: G4160
- North Dakota: G4170
- South Dakota: G4180
- Nebraska: G4190
- Kansas: G4200
- Ohio: G4080
- Indiana: G4090
- Illinois: G4100
- Michigan: G4110
- Wisconsin: G4120
- Arizona G4330
- Colorado G4310
- Idaho G4270
- Montana G4250
- New Mexico G4320
- Nevada G4350
- Utah G4340
- Wyoming G4260
- Alaska G4370
- California G4260
- Hawaii G4380
- Oregon G4290
- Washington G4280
