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LECL Lewis and Clark National Historic Trail Park Atlas Web Experience

Published by National Park Service | Department of the Interior | Catalog Last Checked: August 01, 2026 at 03:55 AM | Dataset Last Updated: April 30, 2021 at 12:00 AM
The LECL Lewis and Clark National Historic Trail Park Atlas Web Experience is an interactive web mapping application developed by the National Park Service. This Park Atlas allows staff, partners, and the public to view the park's spatial data, learn more about trails and resources, or assist with project planning. To see other public Park Atlases, visit https://park-atlas-public-nps.opendata.arcgis.com/. This map is not intended for navigation. This atlas references authoritative data compiled from national, regional, and park-specific datasets listed in the LECL Park Atlas Webmap. If you believe a layer needs to be updated, please contact the item owner listed on the layer’s item details page. For technical questions or feedback please email Park_Atlas@nps.gov.

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