Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 79 (112) - Big Boulder River, west of Greycliff, Montana, Line Segment 041, Milepost 79.3. Sheet 441 - 14, undated.
Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 79 (112) - Big Boulder River, west of Greycliff, Montana, Line Segment 041, Milepost 79.3. Sheet 441 - 14, undated.
Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 79 (112) - Big Boulder River, west of Greycliff, Montana, Line Segment 041, Milepost 79.3. Sheet 441 - 14, undated.
Northern Pacific Engineering Drawing: Shop Plan - Detail of Girder, Bridge 79 (112) - Big Boulder River, west of Greycliff, Montana, Line Segment 041, Milepost 79.3. Sheet 441 - 14, undated.
Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 79.1 - Underpass, west of Greycliff, Montana, Line Segment 041, Milepost 79.9. Sheet 1070 - 13, undated.
Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 79.1 - Underpass, west of Greycliff, Montana, Line Segment 041, Milepost 79.9. Sheet 1070 - 13, undated.
Northern Pacific Engineering Drawing: Steel Details, Bridge 79.1 - Highway Underpass, west of Greycliff, Montana, Line Segment 041, Milepost 79.9. Sheet 1070 - 13, undated.
Northern Pacific Engineering Drawing: west Abutment, Bridge 79.1 - Highway Underpass, west of Greycliff, Montana, Line Segment 041, Milepost 79.9. Sheet 1070 - 13, undated.
Plat Map of Northern Pacific facilities at Greycliff, Montana, April 18, 1949, Sheet Number 1, Line Segment 41, showing the Billings-Helena line.
Plat Map of Northern Pacific facilities at Greycliff, Montana, April 18, 1949, Sheet Number 4, Line Segment 41, showing the Billings-Helena line.
Plat Map of Northern Pacific facilities at Greycliff, Montana, April 18, 1949, Sheet Number 6, Line Segment 41, showing the Billings-Helena line.