East
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Its mostly mountains on the western side of Colorado
It is mostly plains, not mountainous
Yes, the western part of the US has more mountains than the eastern part. The Rocky Mountains and Sierra Nevada mountain ranges are prominent in the western part of the US, while the eastern part has the Appalachian Mountains.
the rocky mountains
western
The western part. The eastern part is mostly just rolling plains. The western part is where the Rocky Mountains are.
in all my years i'd say east and west
no it is not :)
Western Part of Mountain has many mountains, whereas eastern Montana has few mountains, and mostly plains
The western part of Montana has more mountains than the eastern part.
They are the Rocky Mountains in the West and the Appalachian Mountains in the East.