| Name | Langsdon Mineral Collection |
| Address | 303 North Main Street, Celina, Ohio, 45822, United States |
| Date | 0000-00-00 |
| Time | 00:00:00 |
| Category | unknown |
| Description | A county library in rural Ohio houses one of the finest mineral collections in the world.... |
| Coordinates | 40.55120, -84.57150 |
| Web address | /places/langsdon-mineral-collection |