Northern Pacific Engineering Drawing: Details of Abutments, Bridge 41 - Highway, north of Silverdale, Washington, Line Segment 426, Milepost 41.46. Sheet 1261 - 4, undated.

Northern Pacific Engineering Drawing: Plan and Elevation, Bridge 41 - Highway, north of Silverdale, Washington, Line Segment 426, Milepost 41.46. Sheet 1261 - 4, 1944. Note: Concrete slab

Plat Map of Northern Pacific facilities at Silverdale, Washington, March 1, 1953, Sheet Number 1, Line Segment 426, showing the Bangor-Shelton line.

Plat Map of Northern Pacific facilities at Silverdale, Washington, March 1, 1953, Sheet Number 2, Line Segment 426, showing the Bangor-Shelton line.