Northern Pacific Engineering Drawing: General Plan, Bridge 36.8 - west Waterway, West Seattle, Washington, Line Segment 051. Sheet 1063 - 36, 1931. Note: Draw bridge (relocated)

Northern Pacific Engineering Drawing: General Plan, Bridge 36 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 36.95. Sheet 441 - 22, undated.

Northern Pacific Engineering Drawing: General Plan, Bridge 36 - Jocko River, west of Ravalli, Montana, Line Segment 043, Milepost 36.95. Sheet 441 - 22, 1899. Note: Steel spans

Northern Pacific Engineering Drawing: General Plan, Bridge 36 - Clark Fork River, west of Thompson Falls, Montana, Line Segment 044, Milepost 36.6. Sheet VF1077 - 5, undated.

Northern Pacific Engineering Drawing: General Plan, Bridge 33.1 - Chehalis Western Railroad, south of Saint Clair, Washington, Line Segment 052, Milepost 33.7. Sheet 1068 - 17, 1927. Note: Steel span

Northern Pacific Engineering Drawing: General Plan, Bridge 32 - Skookumchuck Rr, south of Wetico, Washington, Line Segment 400, Milepost 32.6. Sheet 1068 - 18, undated.

Northern Pacific Engineering Drawing: General Plan, Bridge 3.2 - Lake Pend Oreille, west of Sandpoint, Idaho, Line Segment 045, Milepost 3.88. Sheet 442 - 25A, 1961. Note: Revisions to bridge

Northern Pacific Engineering Drawing: General Plan, Bridge 3.2 - Lake Pend Oreille, west of Sandpoint, Idaho, Line Segment 045, Milepost 3.88. Sheet 442 - 25A, 1960. Note: Revisions to bridge

Northern Pacific Engineering Drawing: General Plan, Bridge 3.1, west of Logan, Montana, Line Segment 326, Milepost 3.8. Sheet 1076 - 20, 1928. Note: Concrete trestle 1929 - AFE 165 - 29

Northern Pacific Engineering Drawing: General Plan, Bridge 3 - Snake River, east of Ainsworth Junction, Washington, Line Segment 450, Milepost 3.05. Sheet 772 - 3A, 1949. Note: Steel trusses