The Spokane, Portland, and Seattle Railway Authority for Expenditure (AFE) Collection consists of 10,058 paper files. The contents document construction and modifications to the railroad and nearby structures, and include business and finance records, engineering drawings, maps, and correspondence. Records range from 1908 to 1968 and include some from the Oregon Trunk Railroad.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 347. Putting longitudinal braces on 30 panels of trestle at Youngs Bay, Oregon. Chief Engineer/Standard Maintenance Procedure AFE Number CE 416. Portland Division. Other subject categories: Bridge Trestle Repairs.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 638. Constructing 20,160 lineal feet of fence from Youngs Bay, Oregon to Skipanon, Oregon. Chief Engineer/Standard Maintenance Procedure AFE Number CE 642. Correspondence File Number A-13. Portland Division. Other subject categories: Fencing.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 249. Ten, 3 pile dolphins at Youngs Bay Bridge, Oregon. Chief Engineer/Standard Maintenance Procedure AFE Number CE 304. Correspondence File Number A33-Y. Portland Division. Other subject categories: Bridge Dolphins.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1577. Drill new swell at Yellepit, Washington, maximum depth depth of well to be 100 feet. Necessary to provide water supply as old well is too shallow and cribbing in same is giving out. Chief Engineer/Standard Maintenance Procedure AFE Number CE 1663. Correspondence File Number 326-9. Vancouver Division. Other subject categories: Well.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 652. Digging a 16 foot well 45 feet deep at Yellepit. Chief Engineer/Standard Maintenance Procedure AFE Number CE 734. Correspondence File Number 326-9. Vancouver Division. Other subject categories: Plumbing Well.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 851. Installing Hayes derail on passing track at Yellepit, Washington. Chief Engineer/Standard Maintenance Procedure AFE Number CE 951. Correspondence File Number 326. Vancouver Division. Other subject categories: Tracks Derails.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 12. Reconstruct foundation of pump house at Yellepit, Washington. Chief Engineer/Standard Maintenance Procedure AFE Number CE 1. Correspondence File Number 326-9. Vancouver Division. Other subject categories: Structure Pump House.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 803. Constructing 23 rods of fence and installing guard at Wrights, Washington. Chief Engineer/Standard Maintenance Procedure AFE Number CE 902. Correspondence File Number G13. Vancouver - Goldendale Branch Division. Other subject categories: Fencing.