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Filters: Tags: Highways (X) > Extensions: ArcGIS Service Definition (X)

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This layer represents the major road network of the U.S. Northern Rockies. It was created by merging Montana Department of Transportation "on-system" routes with Idaho Transportation Department "state highway system" routes, creating consistent attribute fields, then clipping to the U.S. Northern Rockies study area boundary.


    map background search result map search result map U.S. Northern Rockies Major Roads U.S. Northern Rockies Major Roads