Great Northern Engineering Drawing: Abutment Number 1, Bridge 385.1, east of Berne, Washington, Line Segment 037, Milepost 1696.5. Sheet 293 - 5481 - 95, 1947.

Great Northern Engineering Drawing: Abutment Number 1, Bridge 39.3 - Highway, north of Loon Lake, Washington, Line Segment 376, Milepost 39.36. Sheet 293 - 5395 - 4, undated.

Great Northern Engineering Drawing: Abutment Number 1, Bridge 64.4 - Public Underpass, Brewster, Washington, Line Segment 387, Milepost 64.4. Sheet 259 - 5070 - 7, undated.

Great Northern Engineering Drawing: Abutment Number 1, Piers 2 and 3, Bridge 462, west of Snohomish, Washington, Line Segment 037, Milepost 1779.2. Sheet 221 - 4710 - 10, 1948.

Great Northern Engineering Drawing: Abutment Number 4, Bridge 1626.8 - Highway, west of Trinidad, Washington, Line Segment 037, Milepost 1626.83. Sheet 293 - 5388 - 9, undated.

Great Northern Engineering Drawing: Abutment Number 4, Bridge 1626.8 - Highway, west of Trinidad, Washington, Line Segment 037, Milepost 1626.83. Sheet 293 - 5388 - 9A, undated.

Great Northern Engineering Drawing: Abutment Number 4, Bridge 344.9 - Highway 28, west of Ephrata, Washington, Line Segment 037, Milepost 1602.44. Sheet 271 - 4830 - 8, undated.

Great Northern Engineering Drawing: Abutment Number 4, Bridge 39.3 - Highway, north of Loon Lake, Washington, Line Segment 376, Milepost 39.36. Sheet 293 - 5395 - 6, undated.

Great Northern Engineering Drawing: Abutment Number 4, Bridge 64.4 - Public Underpass, Brewster, Washington, Line Segment 387, Milepost 64.4. Sheet 259 - 5070 - 9, undated.

Great Northern Engineering Drawing: Abutment Number 4, Bridge 64.4 - Public Underpass, Brewster, Washington, Line Segment 387, Milepost 64.4. Sheet 259 - 5070 - 8, undated.