| Answer | Crossword Clue |
|---|---|
| BLACK | Missouri-Arkansas river, flowing into White River. |
| PLATTE | Nebraska river flowing into the Missouri south of Omaha. |
| tributaries | A river or stream flowing into a larger river or lake |
| gila | river 630 miles (1014 kilometers) New Mexico & Arizona flowing W into Colorado River |
| catawba | river flowing from W North Carolina into South Carolina, where it becomes the Wateree River |
| catawbas | river flowing from W North Carolina into South Carolina, where it becomes the Wateree River |
| liard | river 755 miles (1215 kilometers) W Canada flowing from Stikine Ranges in Yukon Territory E & N into Mackenzie River |
| pend | river 100 miles (161 kilometers) N Idaho & NE Washington flowing from Pend Oreille Lake (35 miles or 56 kilometers long, in Idaho) W & N into Columbia River in British Columbia |
