| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
San Francisco Peaks elevational gradient meteorology study |
| Organisms: |
douglas fir aspen |
| Location: | San Francisco Peaks; AZ; USA |
| Description: | San Francisco Mountains |
| Date: | 02/19/1917 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
San Francisco Peaks meteorological equipment elevational gradient meteorology study |
| Location: | San Francisco Mountains; AZ; United States |
| Description: | Timberline on west slope of Mount Agassiz |
| Date: | 1917 |