When crossword editors include “Major tributary of the Missouri” in a grid, the answers here are what solvers have matched to that clue before. This list offers you reliable entries to test first.
Likely Answers:
- PLATTE
- OSAGE
These answers also appear in the following pages:
- OSAGE also appears as an answer in Great Plains people crossword clue 4, 5, 6 and 7 letters.
- OSAGE also appears as an answer in Great Plains tribe crossword clue 3, 4, 5, 6, 7, 8 and 9 letters.