| Answer | Crossword Clue |
|---|---|
| SEA | Vast expanse |
| OCEAN | Vast expanse |
| SEA | Vast expanse. |
| OCEAN | Vast expanse. |
| ASIA | Vast expanse |
| OCEAN | Vast briny expanse |
| ASIA | Vast land expanse |
| OCEAN | Any vast expanse. |
| STEPPE | Vast Eurasian expanse |
| GREATPLAINS | Vast expanse from Canada to Texas |
| GREATPLAINS | Vast Canada-to-Mexico ranching expanse |
