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Federal
Archive LECL Lewis and Clark Trail Auto Route Feature Service
Department of the Interior —
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... -
Federal
LECL Archive Lewis and Clark NHT Auto Route
Department of the Interior —
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,... -
Federal
Wyoming Roads (Updated to 2015 Aerial Photography)
Department of the Interior —
A dataset comprised of road centerlines in Wyoming, USA, digitized to 2015 aerial photography from the National Agriculture Imagery Program. This dataset is an update... -
Federal
BLM OR Ground Transportation GTRN Highways Line Hub
Department of the Interior —
highways_arc: This file includes all state owned or maintained highways, connections, frontage roads, temporary traveled routes and located lines in the states of... -
Federal
LECL Lewis and Clark NHT Auto Route Final Combined
Department of the Interior —
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...