Northern Pacific Engineering Drawing: Column Details, Bridge 23 - Chehalis River, west of Pe Ell, Washington, Line Segment 420, Milepost 23.13. Sheet 1058 - 23, undated.

Northern Pacific Engineering Drawing: Deck Plan, Bridge 23 - Chehalis River, west of Pe Ell, Washington, Line Segment 420, Milepost 23.13. Sheet 1058 - 23, undated.

Northern Pacific Engineering Drawing: Girder Change/Casting, etc., Bridge 23 - Chehalis River, west of Pe Ell, Washington, Line Segment 420, Milepost 23.13. Sheet 1058 - 23, undated.

Northern Pacific Engineering Drawing: Tie Plan, Bridge 23 - Chehalis River, west of Pe Ell, Washington, Line Segment 420, Milepost 23.13. Sheet 1058 - 23, undated.

Northern Pacific Engineering Drawing: Transverse Bracing, Bridge 23 - Chehalis River, west of Pe Ell, Washington, Line Segment 420, Milepost 23.13. Sheet 1058 - 23, undated.