Archive LECL Lewis and Clark Trail Auto Route Feature Service

The Lewis and Clark National Historic Trail Auto Route is a system of over 6,100 miles of roads and highways bracketing each side of the Lewis and Clark National...刘易斯与克拉克国家历史步道自驾线路（Lewis and Clark National Historic Trail Auto Route）是一套总长逾6100英里的道路与公路系统，沿刘易斯与克拉克国家……两侧分布。