Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1635. Place ten additional sets of timber braces in tunnel No. 4, 0.6 mile east of North Junction on on Oregon Trunk Railway. Present lining crushing in and necessary to strengthen until permanent work can be arranged for. Chief Engineer/Standard Maintenance Procedure AFE Number CE 1707. Correspondence File Number T66-4. Oregon Trunk Division. Other subject categories: Tunnel.
Elements area
Taxonomy
Code
Scope note(s)
Source note(s)
Taken From list of SP&S Stations and Spurs.