Tunnel Number 1, OR
Interactive topo map of Tunnel Number 1, OR
| Place Name: | Tunnel Number 1 |
| Feature Class: | Tunnel |
| US State: | OR |
| County: | Malheur |
| Latitude: | 43.67 |
| Longitude: | -117.19 |
| Elevation (meters): | 911 m |
| Elevation (feet): | 2988′ |
| USGS Quad: | Owyhee Dam topo map |
| 7.5´ topo: |  |
| State topo index: | OR topo index |
| Alternate map versions: | OR topographic maps Editions by year, direct download as GeoPDF. |
| 30´ x 60´ topo: | 1:100,000 scale map |
| 1° x 2° topo: | 1:250,000 scale map |