The Grand Valley is or has a big hole in it witch we live in. The Grand Valley is close to the Uncompahgre Plateau so it’s easy to find. The Grand Valley is or is not part of the national Monument. The Grand Valley was formed by the Gunnison River and the Colorado River.

Constructive Forces

The Grand Valley was formed oceans and then covered by desert. Volcano’s magma or lava has cooled down which makes the top or the crust of the Grand Valley. Grand Valley is flatted on the top build by volcanoes’.

Destructive Forces

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The Grand Valley was shaped by the Colorado River and the Gunnison River witch intersects each other, and also by rain. Lava or volcanoes also made the Grand Valley.