Northern Pacific Engineering Drawing: General Plan, Scale Head - Of - Bay Yard Tacoma, Tacoma, Washington, Line Segment 051. Sheet 364 - 8231 - 1, undated.

Northern Pacific Engineering Drawing: Install 150 Ton Scale, Scale Head - Of - Bay Yard Tacoma, Tacoma, Washington, Line Segment 051. Sheet 364 - 8231, undated.

Northern Pacific Engineering Drawing: Miscellaneous Concrete Details, Scale Head - Of - Bay Yard Tacoma, Tacoma, Washington, Line Segment 051. Sheet 364 - 8231 - 3, undated.

Northern Pacific Engineering Drawing: Miscellaneous Details and Bill of Material, Scale Head - Of - Bay Yard Tacoma, Tacoma, Washington, Line Segment 051. Sheet 364 - 8231 - 4, undated.

Northern Pacific Engineering Drawing: Pier Cap and Collar Details, Bridge 3.1 - North 40th Street, Tacoma, Washington, Line Segment 052, Milepost 4.0. Sheet 301 - 8476 - 2, undated.