Plat Map of Northern Pacific facilities at Toston, Montana, October 12, 1953, Sheet Number 1, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Toston, Montana, October 12, 1953, Sheet Number 2, Line Segment 41, showing the Billings-Helena line.

Plat Map of Northern Pacific facilities at Toston, Montana, October 12, 1953, Sheet Number 3, Line Segment 41, showing the Billings-Helena line.

Northern Pacific Engineering Drawing: Proposed Extension - Culvert, Culvert west of Toston, west of Toston, Montana, Line Segment 041, Milepost 197.5. Sheet 1266 - 24, 1945.

Northern Pacific Engineering Drawing: Plan/Detail Abutments, Bridge 203, west of Toston, Montana, Line Segment 041, Milepost 203.8. Sheet 441 - 56, undated.

Northern Pacific Engineering Drawing: Plan/Detail Abutments, Bridge 202 - Deep Creek, west of Toston, Montana, Line Segment 041, Milepost 202.0. Sheet 441 - 56, undated.

Northern Pacific Engineering Drawing: Masonry Detail/Pier/Abutment, Bridge 195 - 6 - Mile Creek, west of Toston, Montana, Line Segment 041, Milepost 195.4. Sheet 1058 - 25, undated.

Northern Pacific Engineering Drawing: General Plan/Detail west Abutment, Bridge 195 - 6 - Mile Creek, west of Toston, Montana, Line Segment 041, Milepost 195.4. Sheet 1058 - 25, 1936.