| river(noun, geology, surface, geography, landform) |
| sandhill(noun, geology, surface, geography, landform) |
| shoreline(noun, geology, surface, geography, landform) |
| terrace(noun, geology, surface, geography, landform) |
| valley(noun, geology, surface, geography, landform) |
| ventifact(noun, geology, surface, geography, landform) |
| volcano(noun, geology, surface, geography, landform) |
| yardang(noun, geology, surface, geography, landform) |
| coral reef(expression, surface, geography, landform) |
| desert pavement(expression, surface, geography, landform) |
| dry lake(expression, surface, geography, landform) |
| mountain chain(expression, surface, geography, landform) |
| mountain range(expression, surface, geography, landform) |
| ocean basin(expression, surface, geography, landform) |
| river channel(expression, surface, geography, landform) |
| engineered landforms(expression, geology, type, geography) |
| human settlements(expression, geology, type, geography) |
| man-made features(expression, geology, type, geography) |
| naturally-created features(expression, geology, type, geography) |
| fall line(feature, characteristic, detail) |