Northern Pacific Engineering Drawing: west Abutment, Bridge 128, Eltopia, Washington, Line Segment 046, Milepost 128.24. Sheet 1060 - 17, undated.

Northern Pacific Engineering Drawing: Reinforcement Concrete Trestle, Bridge 131, west of Eltopia, Washington, Line Segment 046, Milepost 131.12. Sheet 1076 - 48, 1926. Note: Concrete trestle

Northern Pacific Engineering Drawing: Reinforce Concrete Trestle, Bridge 128, Eltopia, Washington, Line Segment 046, Milepost 128.24. Sheet 1060 - 17, 1924. Note: Concrete trestle

Northern Pacific Engineering Drawing: Plan of Abutments, Bridge 128, Eltopia, Washington, Line Segment 046, Milepost 128.24. Sheet 1060 - 17, undated.