Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1849. Renew bridge A-84-8 with standard pile trestle. Correspondence File Number A34-7. Portland Division. Other subject categories: Bridge Trestle.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1502. Construct a raised platform 10 foot by 16 foot with a 4 foot incline down to present platform at Blind Slough, Oregon, to provide facilities for handling heavy shipments of oil and cable. Chief Engineer/Standard Maintenance Procedure AFE Number CE 1592. Correspondence File Number A346. Portland Division. Other subject categories: Structure Platform.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1975. Build toilet. Correspondence File Number A346. Portland Division. Other subject categories: Toilet.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 102. Third class depot at Blind Slough, Oregon. Chief Engineer/Standard Maintenance Procedure AFE Number CE 164. Correspondence File Number A346. Portland Division. Other subject categories: Structure Depot.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 221. Seven 3 pile dolphins for Blind Slough Draw Bridge. Chief Engineer/Standard Maintenance Procedure AFE Number CE 272. Correspondence File Number A33-2. Portland Division. Other subject categories: Bridge Dolphins.

AFE 6024, Blind Slough, unknown, 1936. Build 2700' Standard Fence. Interstate Commerce Commission Account Number 13 Fences, Snowsheds and Signs Cost: $220. Series . Lines West. Other Subject Categories: Fences, Right of Way