The Rocky Mountains are west of the Mississippi River.
east
west
East of the Rocky Mountains.
The Rocky Mountains are WEST of the Mississippi river
The Mississippi River is east of the Rocky Mountains. The east side of the Continental Divide will drain into the Mississippi River basin.
east
yes
The rocky mountains
No . . . the Rocky Mountains are quite a bit west of the Mississippi River, and Detroit is quite a bit east of the Mississippi River.
west
eastern is the Mississippi river and the west is the rocky mountains
Rocky Mountains, Great Plains, Mississippi River, Appalachian Mountains.
The Appalachian mountains are on the east of Illinois.
The Rocky Mountains border the Great Plains to the west, while the Mississippi River and the Gulf of Mexico border it to the east.