Spokane, Portland and Seattle Railway Engineering Drawing: 40 Foot Deck Plate Girder (DPG), Bridge A22.2 - Underpass, west of Scappoose, Oregon, Line Segment 440, Milepost 22.14, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: 20 Foot Beam Girder, Bridge A22.8 (164) - Underpass, west of Scappoose, Oregon, Line Segment 440, Milepost 22.79, undated.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1275. Construct standard two pen stock yard with double loading chute at Scappoose, Oregon. Portland Division. Other subject categories: Structure Stock Yard.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1034. Filling 100 lineal feet of Bridge A-20-8 at Scappoose, Oregon. Chief Engineer/Standard Maintenance Procedure AFE Number CE 1166. Correspondence File Number A34-3. Portland Division. Other subject categories: Filling Bridge.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1726. Replace stub switch with split switch in house track at Scappoose, Oregon, for safety of operation. Chief Engineer/Standard Maintenance Procedure AFE Number CE 1792. Correspondence File Number A306-1. Portland Division. Other subject categories: Track Turnout.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1033. Filling 50 lineal feet of Bridge A-18-1 at Scappoose, Oregon. Chief Engineer/Standard Maintenance Procedure AFE Number CE 1165. Correspondence File Number A34-3. Portland Division. Other subject categories: Filling Bridge.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1079. Laying corrugated iron culvert west of city at Scappoose, Oregon. Chief Engineer/Standard Maintenance Procedure AFE Number CE 1200. Correspondence File Number A45. Portland Division. Other subject categories: Culvert.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 881. Renewing crossing with solid manganese crossing frog at Scappoose, Oregon. Chief Engineer/Standard Maintenance Procedure AFE Number CE 990. Correspondence File Number A306-4. Portland Division. Other subject categories: Tracks Crossing Frogs.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 894. Providing a new baggage truck for Scappoose, Oregon depot. Chief Engineer/Standard Maintenance Procedure AFE Number CE 1023. Correspondence File Number A306. Portland Division. Other subject categories: Truck Baggage.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 812. Filling in around depot platform at Scappoose, Oregon. Chief Engineer/Standard Maintenance Procedure AFE Number CE 863. Correspondence File Number A306. Portland Division. Other subject categories: Structure Platform.