Great Northern Engineering Drawing: Proposed Underpass, Bridge 63.2 - Highway Underpass, west of Lupfer, Montana, Line Segment 036, Milepost 1235.86. Sheet 272 - 4960 - 1, undated.

Great Northern Engineering Drawing: Shoofly Alignment, Bridge 63.2 - Highway Underpass, west of Lupfer, Montana, Line Segment 036, Milepost 1235.86. Sheet 272 - 4960 - 6, undated.

Great Northern Engineering Drawing: Shoofly Trestle, Bridge 63.2 - Highway Underpass, west of Lupfer, Montana, Line Segment 036, Milepost 1235.86. Sheet 272 - 4960 - 7, undated.

Great Northern Engineering Drawing: Shop Plan - Beams, Bridge 63.2 - Highway Underpass, west of Lupfer, Montana, Line Segment 036, Milepost 1235.86. Sheet 272 - 4960 - 10, undated.

Great Northern Engineering Drawing: Shop Plan - Beams, Bridge 63.2 - Highway Underpass, west of Lupfer, Montana, Line Segment 036, Milepost 1235.86. Sheet 272 - 4960 - 11, undated.

Great Northern Engineering Drawing: Shop Plan - Erection Plan, Bridge 63.2 - Highway Underpass, west of Lupfer, Montana, Line Segment 036, Milepost 1235.86. Sheet 272 - 4960 - 9, undated.

Great Northern Engineering Drawing: Shop Plan - Plates and Walk, Bridge 63.2 - Highway Underpass, west of Lupfer, Montana, Line Segment 036, Milepost 1235.86. Sheet 272 - 4960 - 12, undated.

Great Northern Engineering Drawing: Steel Details, Bridge 63.2 - Highway Underpass, west of Lupfer, Montana, Line Segment 036, Milepost 1235.86. Sheet 272 - 4960 - 5, undated.

Great Northern Engineering Drawing: Substructure, Bridge 63.2 - Highway Underpass, west of Lupfer, Montana, Line Segment 036, Milepost 1235.86. Sheet 272 - 4960 - 3, undated.