Milwaukee Road Engineering Drawing: Contour Map and Location Sketch, Bridge 24.33 - Highway, between Palouse, Washington and Bovill, Idaho, Line Segment 396, Milepost 24.24. Sheet 388 - 8732 - 11, undated.
Milwaukee Road Engineering Drawing: General Plan and Notes, Bridge 242.33 - Highway, between Palouse, Washington and Bovill, Idaho, Line Segment 396, Milepost 24.24. Sheet 388 - 8732 - 1, undated.
Milwaukee Road Engineering Drawing: General Plan, Bridge 24.33 - Highway, between Palouse, Washington and Bovill, Idaho, Line Segment 396, Milepost 24.24. Sheet 388 - 8732 - 6, undated.