Porter Spring, CA
Interactive topo map of Porter Spring, CA
| Place Name: | Porter Spring |
| Feature Class: | Spring |
| US State: | CA |
| County: | Trinity |
| Latitude: | 41.05 |
| Longitude: | -122.64 |
| Elevation (meters): | 1136 m |
| Elevation (feet): | 3727′ |
| USGS Quad: | Carrville topo map |
| 7.5´ topo: |  |
| State topo index: | CA topo index |
| Alternate map versions: | CA 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 |