Camas Prairie Railroad Engineering Drawing: Tie Plan, Bridge 33 (50.1) - Jim Ford Creek, south of Orofino, Idaho, Line Segment 461. Sheet 1064 - 20, 1950.

Camas Prairie Railroad Engineering Drawing: Steel Details, Bridge 33 (50.1) - Jim Ford Creek, south of Orofino, Idaho, Line Segment 461. Sheet 1064 - 20, undated.

Camas Prairie Railroad Engineering Drawing: Details of Beams, Bridge 33 (50.1) - Jim Ford Creek, south of Orofino, Idaho, Line Segment 461. Sheet 1064 - 20, undated.

Burlington Northern Engineering Drawing: Deck Plan, Bridge 33 (50.1) - Jim Ford Creek (formerly Camas Prairie), south of Orofino, Idaho, Line Segment 461. Sheet 1064 - 20, 1981.