| Answer | Crossword Clue |
|---|---|
| keelboats | A large, flat freight boat used on rivers |
| scow | a large flat-bottomed boat with broad square ends used chiefly for transporting bulk material (as ore, sand, or refuse) |
| cockleboat | a small boat, esp one used on rivers also COCKBOAT |
| cockleboats | COCKLEBOAT, a small boat, esp one used on rivers also COCKBOAT |
| steamboats | A boat that is propelled by a steam engine, esp. a paddle-wheel craft of a type used widely on rivers in the 19th century |
| johnboats | A small flat-bottomed boat with square ends, used chiefly on inland waterways |
