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As of 2025, this data set represents the official National Park Service centerline of the Lewis and Clark National Historic Trail Auto Route. The spatial data was created by the National Park...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: March 03, 2026 at 06:39 AM -
The original NPS Auto Route of the Lewis and Clark National Historic Trail, prior to the Trail's extension by Congress (P.L. 90-543, as amended through P.L. 116-9, March 12, 2019). The most...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: March 03, 2026 at 06:38 AM -
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 Historic Trail, which commemorates...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: March 03, 2026 at 06:32 AM
