Northern Pacific Engineering Drawing: Steel Details, Bridge 3 - Latah Creek, west of Empire, Washington, Line Segment 046, Milepost 3.29. Sheet 1059 - 6, undated.

Northern Pacific Engineering Drawing: Steel Details, Bridge 3 - Latah Creek, west of Empire, Washington, Line Segment 046, Milepost 3.29. Sheet 1059 - 6, undated.

Northern Pacific Engineering Drawing: Steel Details, Bridge 3 - Latah Creek, west of Empire, Washington, Line Segment 046, Milepost 3.29. Sheet 1059 - 6, undated.

Northern Pacific Engineering Drawing: Steel Details, Bridge 25 - Nisqually River, south of Nisqually, Washington, Line Segment 052, Milepost 25.4. Sheet 782 - 21, undated.

Northern Pacific Engineering Drawing: Steel Details, Bridge 25 - Nisqually River, south of Nisqually, Washington, Line Segment 052, Milepost 25.4. Sheet 782 - 21, undated.

Northern Pacific Engineering Drawing: Steel Details, Bridge 25 - Nisqually River, south of Nisqually, Washington, Line Segment 052, Milepost 25.4. Sheet 782 - 21, undated.

Northern Pacific Engineering Drawing: Steel Details, Bridge 233 - Prickly Pear Creek, East Helena, Montana, Line Segment 041, Milepost 233.7. Sheet 1068 - 43, undated.

Northern Pacific Engineering Drawing: Steel Details, Bridge 23, west of Blossburg, Montana, Line Segment 042, Milepost 23.4. Sheet VF 427 - 5, undated.

Northern Pacific Engineering Drawing: Steel Details, Bridge 22, west of Blossburg, Montana, Line Segment 042, Milepost 22.9. Sheet 441 - 69, undated.

Northern Pacific Engineering Drawing: Steel Details, Bridge 218 - Clark Fork River, west of Quinns, Montana, Line Segment 042, Milepost 218.6. Sheet 775 - 10, undated.