Great Northern Blueprint Number 1317-22-7, map of Somers-Dixon Line Second 20 Mile Section, 1909. Other subject categories: Filing Map

Great Northern Blueprint Number 1308-38-6, map of Somers Dixon Line First 20 Miles, 1905. Other subject categories: Filing Map

Great Northern Blueprint Number 1308-38-1, map of Somers Dixon Line First Section, 1905. Other subject categories: Filing Map

Great Northern Blueprint Number 1308-38-3, map of Somers Dixon Line Third Section, 1905. Other subject categories: Filing Map

Great Northern Blueprint Number 1308-38-3, map of Somers Dixon Line, 6 Miles through National Forest, 1905. Other subject categories: Filing Map

Great Northern Blueprint Number 1308-38-2, map of Somers Dixon Line Second Section, 1905. Other subject categories: Filing Map

Great Northern Blueprint Number 1308-38-4 , map of Somers Dixon Line Located Line Somers to Jako, 1905. Other subject categories: Filing Map

Milwaukee Road Engineering Drawing: Sections and Elevation, Bridge 24.33 - Highway, between Palouse, Washington and Bovill, Idaho, Line Segment 396, Milepost 24.24. Sheet 388 - 8732 - 4, undated.

Milwaukee Road Engineering Drawing: Sections and Elevation, Bridge 24.33 - Highway, between Palouse, Washington and Bovill, Idaho, Line Segment 396, Milepost 24.24. Sheet 388 - 8732 - 4, undated.

Milwaukee Road Engineering Drawing: Plans and Details, Bridge 24.33 - Highway, between Palouse, Washington and Bovill, Idaho, Line Segment 396, Milepost 24.24. Sheet 388 - 8732 - 8, undated.