The topographic maps of the United States Geological Survey are arranged by a call number system based on geography rather than name, and can be found in the Maps collection on the third floor of Carlson Library. This alphabetical list can help find the correct call number for the map you need.
Canadian provinces are also included at the end. Electronic versions of topographic maps are available from
Topozone.com.
| Place |
Call Number (All Start with 'G') |
| UNITED STATES |
3700 |
| Alabama |
3970 |
| Alaska |
4370 |
| Arizona |
4330 |
| Arkansas |
4000 |
| California |
4360 |
| Colorado |
4310 |
| Connecticut |
3780 |
| Delaware |
3830 |
| District of Columbia |
3850 |
| Florida |
3930 |
| Georgia |
3920 |
| Hawaii |
4380 |
| Idaho |
4270 |
| Illinois |
4100 |
| Indiana |
4090 |
| Iowa |
4150 |
| Kansas |
4200 |
| Kentucky |
3950 |
| Louisiana |
4010 |
| Maine |
3730 |
| Maryland |
3840 |
| Massachusetts |
3760 |
| Michigan |
4110 |
| Minnesota |
4140 |
| Mississippi |
3980 |
| Missouri |
4160 |
| Montana |
4250 |
| Nebraska |
4190 |
| Nevada |
4350 |
| New Hampshire |
3740 |
| New Jersey |
3810 |
| New Mexico |
4320 |
| New York |
3800 |
| North Carolina |
3900 |
| North Dakota |
4170 |
| Ohio |
4080 |
| Oklahoma |
4020 |
| Oregon |
4290 |
| Pennsylvania |
3820 |
| Rhode Island |
3770 |
| South Carolina |
3910 |
| South Dakota |
4180 |
| Tennessee |
3960 |
| Texas |
4030 |
| Utah |
4340 |
| Vermont |
3750 |
| Virginia |
3880 |
| Washington |
4280 |
| West Virginia |
3890 |
| Wisconsin |
4120 |
| Wyoming |
4260 |
| CANADA |
3400 |
| Alberta |
3500 |
| British Columbia |
3510 |
| Manitoba |
3480 |
| New Brunswick |
3430 |
| Newfoundland |
3600 |
| Northwest Territories |
3530 |
| Nova Scotia |
3420 |
| Ontario |
3460 |
| Prince Edward Island |
3440 |
| Quebec |
3450 |
| Saskatchewan |
3490 |
| Yukon |
3520 |