Northern Pacific Engineering Drawing: Replace Top Lateral System, Bridge 70 - Olequa Creek, south of Napavine, Washington, Line Segment 052, Milepost 70.5. Sheet 429 - 4, undated.

Northern Pacific Engineering Drawing: Proposed Super Elevation, Bridge 70 - Olequa Creek, south of Napavine, Washington, Line Segment 052, Milepost 70.5. Sheet 429 - 4, undated.

Northern Pacific Engineering Drawing: Method of Increasing Superelevation, Bridge 70 - Olequa Creek, south of Napavine, Washington, Line Segment 052, Milepost 70.5. Sheet 429 - 4, undated.

Northern Pacific Engineering Drawing: Masonry Plan, Bridge 70 - Olequa Creek, south of Napavine, Washington, Line Segment 052, Milepost 70.5. Sheet 429 - 4, undated.

Northern Pacific Engineering Drawing: Detail for Widen Bridge, Bridge 70 - Olequa Creek, south of Napavine, Washington, Line Segment 052, Milepost 70.5. Sheet 429 - 4, undated.

AFE 65.0832, Napavine, Washington, 1965. Rearrange Facilities for Service to Mosay Rock Dam. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Cost: $9290. Series II. Lines West. Other Subject Categories: Track, Yard

AFE, Series II, Number 65.832, Napavine, Washington, October 4, 1965, Rearrange Facilities to Unload Cement. Located in folder 'Tacoma'. Other subject categories: Track. Initial cataloger's disposition code: X, AFE itself not found but referenced in other documents