Northern Pacific Engineering Drawing: Typical Detail of Bents, Bridge 165 - Fish Creek, west of Cyr, Montana, Line Segment 042, Milepost 165.0. Sheet 434 - 45, undated.

Northern Pacific Engineering Drawing: Turntable Girders, Bridge 36 - Chico Creek, north of Naval Ammunition Depot Junction, Washington, Line Segment 426, Milepost 36.35. Sheet 1261 - 4, undated.

Northern Pacific Engineering Drawing: Turntable Girder and Bill of Material, Bridge 0 - Clark Fork River, north of Phosphate, Montana, Line Segment 368, Milepost 0.06. Sheet 1268 - 26, undated.

Northern Pacific Engineering Drawing: Turntable Girder and Bill of Material, Bridge 0 - Clark Fork River, north of Phosphate, Montana, Line Segment 368, Milepost 0.06. Sheet 1268 - 26, undated.

Northern Pacific Engineering Drawing: Turning Gears, Bridge 68 - Wishkah River, west of Aberdeen Junction, Washington, Line Segment 402, Milepost 68.63. Sheet 428 - 3A, undated.

Northern Pacific Engineering Drawing: Tunnels - 120 Foot Span, Bridge 38 - Willapa River, west of Labam, Washington, Line Segment 420, Milepost 38.82. Sheet R - 10 - 177, undated.

Northern Pacific Engineering Drawing: Tunnel Sections, Garrison Tunnel, west of Garrison, Montana, Line Segment 042, Milepost 52.1. Sheet 1058 - 19, undated.

Northern Pacific Engineering Drawing: Tunnel and Ribs, Mullan Tunnel, Blossburg, Montana, Line Segment 042, Milepost 19.6, undated.

Northern Pacific Engineering Drawing: Truss, Built List, Bridge 4 - Bitter Root River, west of Logan, Montana, Line Segment 333, Milepost 4.4. Sheet 1256 - 15, 1964.