Title  | Description  | NP Number  | Date Published  |
|---|
| Exterior plan of the passenger depot on the Seattle-Portland mainline. | | 1906 |
| Covered bridge over Boulder Creek | | 1909 |
| Coal Shed for stations | M-41-15 | 1902 |
| Ice houses used at division point on the mainline. | Sheet 50 | 1910 |
| Plan for brick interlocking tower. | | 1910 |
| 6' by 4.5' Privy Std Plan | M-44-04 | 1905 |
| Plans for scale house and foundation | M-41-50 | 1909 |
| Plan, elevation and foundation plans | Sht 13 | 1910 |
| Station platform for handing freight | M-41-13 | 1900 |
| Small 8' by 12' telegraph office with platform. | M-44-15 | 1905 |
| Plan, elevation and details of a 24' by 18' office with platform | M-44-10 & -11 | 1904 |
| 33' by 20' telegraph office with platform | | 1927 |
| Pole mounted box used at track side | Sht 262 | 1929 |
| For protection against overhead obstructions | 6-8-1 | 1910 |
| A 10' by 12' stucture or 10' by 24' for housing speeders and tools. | S-39-8 | 1889 |