Northern Pacific Engineering Drawing: General Plan/Mason Change, Bridge 79 (112) - Big Boulder River, west of Greycliff, Montana, Line Segment 041, Milepost 79.3. Sheet 441 - 14, undated.
Northern Pacific Engineering Drawing: General Plan/Mason Change, Bridge 79 (112) - Big Boulder River, west of Greycliff, Montana, Line Segment 041, Milepost 79.3. Sheet 441 - 14, undated.
Northern Pacific Engineering Drawing: General Plan, Bridge 79 (112) - Big Boulder River, west of Greycliff, Montana, Line Segment 041, Milepost 79.3. Sheet 441 - 14, undated.
Northern Pacific Engineering Drawing: General Plan, Bridge 79 (112) - Big Boulder River, west of Greycliff, Montana, Line Segment 041, Milepost 19.3. Sheet 441 - 14, 1898. Note: Steel spans
Northern Pacific Engineering Drawing: General Plan Rebuild Bridge, Bridge 71, west of Greycliff, Montana, Line Segment 041, Milepost 71.7. Sheet 441 - 3, undated. Note: Concrete slabs
Northern Pacific Engineering Drawing: General Layout, Bridge 79.1 - Highway Underpass, west of Greycliff, Montana, Line Segment 041, Milepost 79.9. Sheet 1070 - 13, undated. Note: Underpass
Northern Pacific Engineering Drawing: east Abutment, Bridge 79.1 - Underpass, west of Greycliff, Montana, Line Segment 041, Milepost 79.9. Sheet 1070 - 13, undated.
Northern Pacific Engineering Drawing: Detail of Connection Plates, Bridge 79 (112) - Big Boulder River, west of Greycliff, Montana, Line Segment 041, Milepost 79.3. Sheet 441 - 14, undated.
Northern Pacific Engineering Drawing: Deck/Walk Details, Bridge 71, west of Greycliff, Montana, Line Segment 041, Milepost 71.7. Sheet 441 - 3, undated.
Northern Pacific Engineering Drawing: Deck and Walks, Bridge 79.1 - Highway Underpass, west of Greycliff, Montana, Line Segment 041, Milepost 79.9. Sheet 1070 - 13, 1936.
Northern Pacific Engineering Drawing: Bridge Over Dry Creek, Bridge 54.1 Dry Creek, west of Greycliff, Montana, Line Segment 041, Milepost 74.8. Sheet 1068 - 5, undated.