The longest mountain range in the United States is the Rocky Mountains.
The Rocky Mountain range is one of the longest in the United States. This mountain range measures 3,000 miles or 4,830 kilometers.
The longest mountain range in the united states is the Rocky Mountains.
Rocky Mountain
It is the Rocky Mountains!!
The longest mountain range in the United States is the Rocky Mountains.
The name of the mountain range that runs through the mountains states are called the Rocky Mountains.
The Rocky Mountains is a mountain range.
The Rocky Mountains extend through the western United States and into Canada
The longest mountain range in the United States is the Appalachian Mountain range.That would be the Rocky Mountains located on the western part of the US and Canadathe largest moutain range in the world is the rocky moutain range
The Rocky Mountains.
Rocky Mountain Range. The Rocky Mountain Range is a mountain range that goes through these Canadian provinces: British Columbia, and Alberta. It also goes through these U.S. states: Idaho, Montana, Wyoming, and Colorado.