Northern Pacific Engineering Drawing: Details Center Span, Bridge 0 - Silver Bow Creek, Butte, Montana, Line Segment 327, Milepost 0.7. Sheet 1076 - 24, undated.

Northern Pacific Engineering Drawing: Details Counterweight Box, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, Line Segment 613, Milepost 0.6. Sheet 292 - C - 18, undated.

Northern Pacific Engineering Drawing: Details Falsework/Topography, Bridge 8 - 7 - Mile Creek, Birdseye, Montana, Line Segment 042, Milepost 8.2. Sheet 440 - 83, undated.

Northern Pacific Engineering Drawing: Details of 30 Foot Girder, Bridge 182, west of Westfall, Montana, Line Segment 042, Milepost 182.5. Sheet 434 - 39, undated.

Northern Pacific Engineering Drawing: Details of 60 Foot Girder, Bridge 182, west of Westfall, Montana, Line Segment 042, Milepost 182.5. Sheet 434 - 39, undated.

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

Northern Pacific Engineering Drawing: Details of Bent, Bridge 11.1 - Mercer Slough, south of Wilburton, Washington, Line Segment 405, Milepost 11.5. Sheet 1264 - 16, undated.