What stretched more than 300 miles and includes Bull Lake Glacier?
Bull Lake Glacier:  The glacier is in the Fitzpatrick Wilderness of Shoshone National Forest, and is among the largest grouping of glaciers in the American Rocky Mountains. Rocky Mountains:  The Rocky Mountains stretch more than 3000 mi from the northernmost part of British Columbia, in western Canada, to New Mexico, in the Southwestern United States.
i don't know