Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Handrail Diagram, Bridge 241.2 - Highway, north of Martindale, Washington, Line Segment 047, Milepost 241.2. Sheet 241 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Girders - Spans, Bridge 241.2 - Highway, north of Martindale, Washington, Line Segment 047, Milepost 241.2. Sheet 241 - 2, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Anchor and Bolt, Bridge 241.2 - Highway, north of Martindale, Washington, Line Segment 047, Milepost 241.2. Sheet E - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Abutment Plate and Details, Bridge 241.2 - Highway, north of Martindale, Washington, Line Segment 047, Milepost 241.2. Sheet 1HR - 1 - 0 - 6/8, undated.

Spokane, Portland and Seattle Railway Authorization for Expenditure (AFE). President's AFE Number 84. 4000 foot passing track at Martindale, Washington. Chief Engineer/Standard Maintenance Procedure AFE Number CE 107. Correspondence File Number 320. Vancouver Division. Other subject categories: Tracks Passing.