Spokane, Portland and Seattle Railway Engineering Drawing: Turnout/West Approach, Bridge 31.8 - Underpass, Foster, Oregon, Line Segment 457, Milepost 31.83, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, Line Segment 457, Milepost 31.29. Sheet WX - 161, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Tie Framing Plan, Bridge 31.8 - Underpass, Foster, Oregon, Line Segment 457, Milepost 31.83. Sheet WX - 162, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Truss, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, Line Segment 457, Milepost 31.29. Sheet P - 3 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Portal/Brace, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, Line Segment 457, Milepost 31.29. Sheet P - 3 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Lateral, etc., Bridge S - 31.3 - Wylie Creek, Foster, Oregon, Line Segment 457, Milepost 31.29. Sheet P - 3 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Floor Beam/Stringer, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, Line Segment 457, Milepost 31.29. Sheet P - 3 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Erection Diagram, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, Line Segment 457, Milepost 31.29. Sheet P - 3 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Casting - Rollers, Bridge S - 31.3 - Wylie Creek, Foster, Oregon, Line Segment 457, Milepost 31.29. Sheet P - 3 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Shop Plan - Bolts, etc., Bridge S - 31.3 - Wylie Creek, Foster, Oregon, Line Segment 457, Milepost 31.29. Sheet P - 3 - 1, undated.