| Building Name | Address | City | ||
|---|---|---|---|---|
| 26 |
 |
COTTONWOOD CREEK BRIDGE | US 89 | Logan Canyon |
| 27 |
 |
UPPER BEAVER CREEK BRIDGE | US 89 | Logan Canyon |
| 28 |
 |
LOGAN CITY HYDROELECTRIC PLANT 3 | 3700 Highway 89 | Logan Canyon |
| 29 |
 |
LOGAN THIRD DAM | LOGAN CANYON | Logan Canyon |
| 30 |
 |
TONY GROVE FORESTRY CAMP ADMIN BUILDING | LOGAN CANYON | Logan Canyon |