Plat Map of Northern Pacific facilities at Nimrod, Montana, August 4, 1919, Sheet Number 2, Line Segment 42, showing the Helena-Paradise line.
Plat Map of Northern Pacific facilities at Nimrod, Montana, August 4, 1919, Sheet Number 1, Line Segment 42, showing the Helena-Paradise line.
Northern Pacific Engineering Drawing: Tie Plan, Bridge 91 - Hell Gate River, west of Nimrod, Montana, Line Segment 042, Milepost 91.2. Sheet 775 - 21, 1952.
Northern Pacific Engineering Drawing: Tie Plan, Bridge 91 - Hell Gate River, west of Nimrod, Montana, Line Segment 042, Milepost 91.2. Sheet 775 - 21, 1951.
Northern Pacific Engineering Drawing: Tie Plan, Bridge 91 - Hell Gate River, west of Nimrod, Montana, Line Segment 042, Milepost 91.2. Sheet 775 - 21, 1951.
Northern Pacific Engineering Drawing: Tie Plan, Bridge 90 - Hell Gate River, west of Nimrod, Montana, Line Segment 042, Milepost 90.6. Sheet 775 - 19, undated.
Northern Pacific Engineering Drawing: Tie Plan, Bridge 90 - Hell Gate River, west of Nimrod, Montana, Line Segment 042, Milepost 90.6. Sheet 775 - 19, undated.
Northern Pacific Engineering Drawing: Survey Location River Bridge, Bridge 90 - Hell Gate River, west of Nimrod, Montana, Line Segment 042, Milepost 90.6. Sheet 775 - 19, undated.
Northern Pacific Engineering Drawing: Steel Details, Bridge 91 - Hell Gate River, west of Nimrod, Montana, Line Segment 042, Milepost 91.2. Sheet 775 - 21, undated.
Northern Pacific Engineering Drawing: Shop Plan - Steel Ribs, Nimrod Tunnel, west of Nimrod, Montana, Line Segment 042, Milepost 90.8. Sheet 285 - 38, undated.