Burlington Northern Engineering Drawing: General Plan, Signal Bridge, Bonners Ferry, Idaho, Line Segment 999. Sheet 317 - 6475 - 3, 1968.

Burlington Northern Engineering Drawing: Shop Plan - Pipe Roller, Signal Bridge, Bonners Ferry, Idaho, Line Segment 999. Sheet 317 - 6475, undated.

Burlington Northern Engineering Drawing: Steel Details, Signal Bridge, Bonners Ferry, Idaho, Line Segment 999. Sheet 317 - 6475, 1968.

Burlington Northern Engineering Drawing: Steel Details, Signal Bridge, Bonners Ferry, Idaho, Line Segment 999. Sheet 317 - 6475 - 4, 1968.

Burlington Northern Engineering Drawing: Steel Diagonal, Signal Bridge, Bonners Ferry, Idaho, Line Segment 999. Sheet 317 - 6475 - 2, 1968.

Northern Pacific Engineering Drawing: Telephone Exchange Building at Leadore, Idaho, prepared in 1960. Burlington Northern File Number 5209, Reference Number 10102, Sheet 001.