Spokane, Portland and Seattle Railway Engineering Drawing: Castings, Bridge A94.9 - John Day River, west of Knappa, Oregon, Line Segment 440, Milepost 94.80, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Castings, Bridge A94.9 - John Day River, west of Knappa, Oregon, Line Segment 440, Milepost 94.80, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Castings, Bridge A94.9 - John Day River, west of Knappa, Oregon, Line Segment 440, Milepost 94.80, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Castings, Bridge A94.9 - John Day River, west of Knappa, Oregon, Line Segment 440, Milepost 94.80, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Cap, Girder and Handrail, Bridge A86.6 - Overpass, Knappa, Oregon, Line Segment 440, Milepost 84.71. Sheet TV - 426, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Bottom Lateral Struts, Bridge A94.9 - John Day River, west of Knappa, Oregon, Line Segment 440, Milepost 94.80, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Bill of Material, Bridge A86.6 - Overpass, Knappa, Oregon, Line Segment 440, Milepost 84.71. Sheet TV - 426, undated.
Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE), Knappa, Oregon, undated.
Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1789. Place tieplates on turnouts at both ends of side track at Knappa, Oregon, for safety, to keep track from sreading. Chief Engineer/Standard Maintenance Procedure AFE Number CE 1839. Correspondence File Number A325. Portland Division. Other subject categories: Track Tie Plates.
Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 1843. Build 12' x 32' depot and 8' x 12' platform. Chief Engineer/Standard Maintenance Procedure AFE Number CE 1895. Correspondence File Number A325. Portland Division. Other subject categories: Structure Depot Platform.
Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 890. Raising grade of driveway near tracks at Knappa, Oregon. Chief Engineer/Standard Maintenance Procedure AFE Number CE 994. Correspondence File Number A325. Portland Division. Other subject categories: Road Driveway.