Oregon State Highway Commission - 4th Biennial Report of the Oregon State Highway Commission Covering the Period December 1st, 1918 to November 30th, 1920
http://digital.lib.pdx.edu/oscdl/files/odot/pdx005t0003.pdf
Remains of Mitchell Point Tunnel - HCRH Van TourDisplay of Mitchell Point HAER Drawings (2013)Mitchell Point: Tunnel & Viaduct, 1915Mitchell Point Tunnel & Viaduct, 1920s, from water...Mitchell Point Viewpoint (2011)Mitchell Point Overlook Before Restoration (7-18-2010)Mitchell Pt Site 04.30.10 067Mitchell Pt Site 04.30.10 117Mitchell Pt Site 04.30.10 005Mitchell Point Fence Before Restoration (2011)Mitchell Pt Site 04.30.10 021Mitchell Pt Site 04.30.10 038Mitchell Pt Site 04.30.10 026Interpretive Sign Before Viewpoint Restoration (2011)HCRH State Trail - Mitchell Point - Milepost 61HCRH State Trail - Mitchell Point ViewpointUnion Pacific From Mitchell Point (2008)Tunnel Interpretive Sign