Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Western Interior  | |
|---|---|
| BT | North America |
| .Western Interior | |
| NT | Western Interior Seaway |
| RT | Canada |
| United States | |
| Idaho | |
| Utah | |
| Wyoming | |
| Montana | |
| Dakota Aquifer | |
| SN | Tremendous region in North America including the Great Plains, the Rocky Mountains, the Basin and Range Province of the U. S., and the interior plateaus of Canada. Indexed with countries as applicable. |
| Western Interior Seaway | |
|---|---|
| BT | North America |
| .Western Interior | |
| ..Western Interior Seaway | |
| RT | Alberta |
| Canada | |
| United States | |
| Idaho | |
| Utah | |
| Wyoming | |
| Montana | |
| North American Cordillera | |
| British Columbia | |
| Canadian Cordillera | |
| SN | Indexed with countries, states and/or provinces as applicable. Added to Thesaurus in 1989. |