Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series010 - Other Railroads
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 63 more...
- ItemBB015833 - Camas Prairie Railroad Engineering Drawing: Details Piers and Abutment, Bridge 25 - North Fork of the Clearwater River, East of Ahsahka, Idaho, undated
- ItemBB015834 - Camas Prairie Railroad Engineering Drawing: Repairs - 60 Foot Girders, Bridge 25 - North Fork of the Clearwater River, East of Ahsahka, Idaho, 1927
- ItemBB015835 - Camas Prairie Railroad Engineering Drawing: Stringer and Top Transverse Brace, Bridge 25 - North Fork of the Clearwater River, East of Ahsahka, Idaho, undated
- ItemBB015836 - Camas Prairie Railroad Engineering Drawing: Portal - 160 Foot Through Truss, Bridge 25 - North Fork of the Clearwater River, East of Ahsahka, Idaho, undated
- ItemBB015837 - Camas Prairie Railroad Engineering Drawing: Floorbeam - 160 Foot Through Truss, Bridge 25 - North Fork of the Clearwater River, East of Ahsahka, Idaho, undated
- ItemBB015838 - Camas Prairie Railroad Engineering Drawing: Tie Plan, Bridge 25 - North Fork of the Clearwater River, East of Ahsahka, Idaho, undated
- ItemBB015840 - Camas Prairie Railroad Engineering Drawing: Tie Plan, Bridge 25 - North Fork of the Clearwater River, East of Ahsahka, Idaho, undated
- ItemBB015841 - Camas Prairie Railroad Engineering Drawing: Tie Plan, Bridge 25 - North Fork of the Clearwater River, East of Ahsahka, Idaho, undated
- ItemBB016039 - Camas Prairie Railroad Engineering Drawing: General Plan, Bridge 38 (198) - Green River, Washington, undated
- 510 more...