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

Northern Pacific Engineering Drawing: Bill of Material, Bridge 16.1 - Chehalis River, Near Dryad, Washington, Line Segment 420, Milepost 16.80. Sheet 1068 - 24, undated.

Northern Pacific Engineering Drawing: Bill of Material, Bridge 58 - Palouse River, west of Perma, Washington, Line Segment 384, Milepost 58.4. Sheet 1069 - 36, undated.

Northern Pacific Engineering Drawing: Bill of Material, Bridge 58 - Palouse River, west of Perma, Washington, Line Segment 384, Milepost 58.4. Sheet 1069 - 36, undated.

Northern Pacific Engineering Drawing: Bill of Material/Details, Bridge 38 - Snohomish River, south of Snohomish, Washington, Line Segment 403, Milepost 38.0. Sheet 778 - 2, undated.

Northern Pacific Engineering Drawing: Bill of Material/Miscellaneous Details, Bridge 202 - Deep Creek, west of Toston, Montana, Line Segment 041, Milepost 202.0. Sheet 441 - 56, undated.

Northern Pacific Engineering Drawing: Bill of Material/Miscellaneous Details, Bridge 203, west of Toston, Montana, Line Segment 041, Milepost 203.8. Sheet 441 - 56, undated.

Northern Pacific Engineering Drawing: Bill of Material/Notes, Bridge 87+4250 - Buland Drive, Castle Rock, Washington, Line Segment 052, Milepost 87.80. Sheet 429 - 6, undated.

Northern Pacific Engineering Drawing: Bill of Material/Shim Details, Bridge 64 - Badger Creek, west of Quebec, Montana, Line Segment 041, Milepost 64.0. Sheet 429 - 22, undated.

Northern Pacific Engineering Drawing: Bill of Material/Tie Plan, Bridge 36.8 - west Waterway, West Seattle, Washington, Line Segment 051. Sheet 1063 - 36, 1930.