Great Northern Profile Map 6, Cascade Summit to Skykomish, Washington, 1894. This segment shows the Martin Creek trestles. (Rotate the drawing for correct orientation.) Original drawings in this series are heavy cardboard with cloth backing. A.B. Wilse produced a rolled map from Stevens Pass summit to Skykomish - these seem to be the base drawings. From the Great Northern Railway Historical Society Archive at the Jackson Street Roundhouse, Saint Paul, Minnesota.
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Scope note(s)
At Pacific Northwest Railroad Archive, geographic drawings including maps, plats (cadastral maps) and track elevation (grade) profiles.
Source note(s)
LC Subject Authority Heading: Cartographic materials: http://id.loc.gov/authorities/subjects/sh00003498