Northern Pacific Engineering Drawing: Shop Plan - Troughs, Bridge 0.12 - Maple Street, Spokane, Washington, Line Segment 046, Milepost 0.97. Sheet 1054 - 9, undated.

Northern Pacific Engineering Drawing: Shop Plan - Troughs, Bridge 0.12 - Maple Street, Spokane, Washington, Line Segment 046, Milepost 0.97. Sheet 1054 - 9, undated.

Northern Pacific Engineering Drawing: Shop Plan - Troughs, Bridge 0.12 - Maple Street, Spokane, Washington, Line Segment 046, Milepost 0.97. Sheet 1054 - 9, undated.

Northern Pacific Engineering Drawing: Shop Plan - Troughs, Bridge 0.12 - Maple Street, Spokane, Washington, Line Segment 046, Milepost 0.97. Sheet 1054 - 9, undated.

Northern Pacific Engineering Drawing: Shop Plan - Troughs, Bridge 0.12 - Maple Street, Spokane, Washington, Line Segment 046, Milepost 0.97. Sheet 1054 - 9, undated.

Northern Pacific Engineering Drawing: Shop Plan - Trough Floor, Bridge 71.1 - Browne Street, Spokane, Washington, Line Segment 045, Milepost 71.41. Sheet 1054 - 7, undated.

Northern Pacific Engineering Drawing: Shop Plan - Trough Floor, Bridge 71.1 - Browne Street, Spokane, Washington, Line Segment 045, Milepost 71.41. Sheet 1054 - 7, undated.

Northern Pacific Engineering Drawing: Shop Plan - Trough Floor, Bridge 71.1 - Browne Street, Spokane, Washington, Line Segment 045, Milepost 71.41. Sheet 1054 - 7, undated.

Northern Pacific Engineering Drawing: Shop Plan - Trough Floor, Bridge 71.1 - Browne Street, Spokane, Washington, Line Segment 045, Milepost 71.41. Sheet 1054 - 7, undated.

Northern Pacific Engineering Drawing: Shop Plan - Trough Floor, Bridge 71.1 - Browne Street, Spokane, Washington, Line Segment 045, Milepost 71.41. Sheet 1054 - 7, undated.