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Finding Maps in the Map Library of Ohio and other States

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How to read a call number | Counties in Ohio | States by location | States alphabetically | Common subjects

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 city (for example in Ohio)

Substitute any state’s call number G_ _ _ 4

G4084

           .A3 (city of Akron)

                       .P2 (Roads)

Finding maps of Ohio Counties (G4083 ._ _)

Counties starting with the letters: A-C | D-H | J-M | N-W

  • .A2      Adams
  • .A5      Allen
  • .A6      Ashland
  • .A7      Ashtabula
  • .A8      Athens
  • .A9      Auglaize
  • .B4      Belmont
  • .B7      Brown
  • .B8      Butler
  • .C2      Carroll
  • .C3      Champaign
  • .C4      Clark
  • .C45    Clermont
  • .C5      Clinton
  • .C6      Columbiana
  • .C7      Coshocton
  • .C8      Crawford
  • .C9      Cuyahoga
  • .D2      Darke
  • .D4      Defiance
  • .D5      Delaware
  • .E7      Erie
  • .F2      Fairfield
  • .F3      Fayette
  • .F7      Franklin
  • .F8      Fulton
  • .G3      Gallia
  • .G4      Geauga
  • .G7      Greene
  • .G8      Guernsey
  • .H2      Hamilton
  • .H25    Hancock
  • .H3      Hardin
  • .H4      Harrison
  • .H5      Henry
  • .H6      Highland
  • .H7      Hocking
  • .H8      Holmes
  • .H9      Huron
  • .J2       Jackson
  • .J4       Jefferson
  • .K6      Knox
  • .L2      Lake
  • .L3      Lawrence
  • .L5      Licking
  • .L6      Logan
  • .L7      Lorain
  • .L8      Lucas
  • .M2      Madison
  • .M25   Mahoning
  • .M3      Marion
  • .M4      Medina
  • .M43   Meigs
  • .M46   Mercer
  • .M5      Miami
  • .M6      Monroe
  • .M65   Montgomery
  • .M7      Morgan 
  • .M8      Morrow
  • .M9      Muskingum
  • .N6      Noble
  • .O7      Ottawa
  • .P3      Paulding
  • .P4      Perry
  • .P5      Pickaway
  • .P6      Pike
  • .P7      Portage
  • .P8      Preble
  • .P9      Putnam
  • .R5      Richland
  • .R6      Ross
  • .S2      Sandusky
  • .S3      Scioto
  • .S4      Seneca
  • .S5      Shelby
  • .S7      Stark
  • .S8      Summit
  • .T7      Trumbull
  • .T8      Tuscarawas
  • .U5      Union
  • .V3      Van Wert
  • .V5      Vinton
  • .W2     Warren
  • .W3     Washington
  • .W4     Wayne
  • .W5     Williams
  • .W6     Wood
  • .W9     Wyandot

Finding a State by location:

New England | Middle Atlantic | South Atlantic | East South Central | West South Central | East North Central | West North Central | Rocky Mountain | Pacific

New England

  • Maine: G3730
  • New Hampshire: G3740
  • Vermont: G3750
  • Massachusetts: G3760
  • Rhode Island: G3770
  • Connecticut: G3780

Middle Atlantic

  • New Jersey: G3810
  • New York: G3800
  • Pennsylvania: G3820
  • Delaware: G3830
  • Maryland: G3840
  • District of Columbia: G3850
  • Virginia: G3880

South Atlantic

  • West Virginia: G3890
  • North Carolina: G3900
  • South Carolina: G3910
  • Georgia: G3920
  • Florida: G3930

East South Central

  • Kentucky: G3950
  • Tennessee: G3960
  • Alabama: G3970
  • Mississippi: G3980

West South Central

  • Arkansas: G4000
  • Louisiana: G4010
  • Oklahoma: G4020
  • Texas: G4030

West North Central

  • Minnesota: G4140
  • Iowa: G4150
  • Missouri: G4160
  • North Dakota: G4170
  • South Dakota: G4180
  • Nebraska: G4190
  • Kansas: G4200

East North Central

  • Ohio: G4080
  • Indiana: G4090
  • Illinois: G4100
  • Michigan: G4110
  • Wisconsin: G4120

Rocky Mountain

  • Montana: G4250
  • Wyoming: G4260
  • Idaho: G4270
  • Colorado: G4310
  • New Mexico: G4320
  • Arizona: G4330
  • Utah: G4340
  • Nevada: G4350

Pacific

  • Washington: G4280
  • Oregon: G4290
  • California: G4360
  • Alaska: G4370
  • Hawaii: G4380

Find a state alphabetically

States starting with the letters: A-F | G-L | M | N-O | P-V | W

  • Alabama: G3970
  • Alaska: G4370
  • Arizona: G4330
  • Arkansas: G4000
  • California: G4360
  • Colorado: G4310
  • Connecticut: G3780
  • Delaware: G3830
  • District of Columbia: G3850
  • Florida: G3930
  • Georgia: G3920
  • Hawaii: G4380
  • Idaho: G4270
  • Illinois: G4100
  • Indiana: G4090
  • Iowa: G4150
  • Kansas: G4200
  • Kentucky: G3950
  • Louisiana: G4010
  • Maine: G3730
  • Maryland: G3840
  • Massachusetts: G3760
  • Michigan: G4110
  • Minnesota: G4140
  • Mississippi: G3980
  • Missouri: G4160
  • Montana: G4250
  • Nebraska: G4190
  • Nevada: G4350
  • New Hampshire: G3740
  • New Jersey: G3810
  • New Mexico: G4320
  • New York: G3800
  • North Carolina: G3900
  • North Dakota: G4170
  • Ohio: G4080
  • Oklahoma: G4020
  • Oregon: G4290
  • Pennsylvania: G3820
  • Rhode Island: G3770
  • South Carolina: G3910
  • South Dakota: G4180
  • Tennessee: G3960
  • Texas: G4030
  • Utah: G4340
  • Vermont: G3750
  • Virginia: G3880
  • Washington: G4280
  • West Virginia: G3890
  • Wisconsin: G4120
  • Wyoming: G4260