Great Northern Engineering Drawing: Deck Plan, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 164, 1932.

Great Northern Engineering Drawing: Deck Plan, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 166, 1935.

Great Northern Engineering Drawing: Deck Plan, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 188, 1955.

Great Northern Engineering Drawing: Deck Plan, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 192, 1956.

Great Northern Engineering Drawing: Deck Plan, Bridge 11 - Steamboat Slough, north of Delta, Washington, Line Segment 050, Milepost 37.8. Sheet 200 - 1712 - 51, 1932.

Great Northern Engineering Drawing: Deck Plan, Bridge 11 - Steamboat Slough, north of Delta, Washington, Line Segment 050, Milepost 37.8. Sheet 200 - 1712 - 53, 1957.

Great Northern Engineering Drawing: Details 9 - Pile Dolphin, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 68A, undated.