| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
snow personnel elevational gradient meteorology study |
| Organisms: |
limber pine bristle cone pine |
| Location: | San Francico Peaks; AZ; United States |
| Description: | snowshoeing on San Francisco Peaks |
| Date: | 1918 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
personnel meteorological equipment period attire elevational gradient meteorology study |
| Organisms: | engelmann spruce |
| Location: | San Francisco Mountains; AZ; United States |
| Description: | timberline on San Francisco Peaks |
| Date: | 1918 |
| Collection: | Fort Valley Experimental Forest historical photographs |
| Keywords: |
San Francisco Peaks personnel meteorological equipment elevational gradient meteorology study |
| Organisms: |
engelmann spruce douglas fir corkbark fir aspen |
| Location: | Fort Valley Experimental Forest |
| Description: | Douglas-fir station |
| Date: |