Northern Pacific Engineering Drawing: 1 - 70 Foot and 2 - 80 Foot Deck Plate Girder (DPG), Bridge 78 - Olequa Creek, south of Vader, Washington, Line Segment 052, Milepost 78.4. Sheet 1256 - 6, undated.
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Lc Name Authority: https://lccn.loc.gov/no2012044221