The Northern Pacific Depot at Elma, Washington, 1968, from the Walter W. Ainsworth Collection, photograph by Stan Styles.

Plat Map of Northern Pacific facilities at Eltopia, Washington, April 23, 1924, Sheet Number 1, Line Segment 46, showing the Spokane-Pasco-Spokane, Portland, and Seattle Railway Junction line.

Plat Map of Northern Pacific facilities at Eltopia, Washington, April 23, 1924, Sheet Number 2, Line Segment 46, showing the Spokane-Pasco-Spokane, Portland, and Seattle Railway Junction line.

Plat Map of Northern Pacific facilities at Eltopia, Washington, April 23, 1924, Sheet Number 3, Line Segment 46, showing the Spokane-Pasco-Spokane, Portland, and Seattle Railway Junction line.

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.