| Collection: | Fort Valley Experimental Forest historical photographs | 
| Keywords: | 
				San Francisco Peaks meteorological equipment meteorological studies elevational gradient meteorology study  | 
		
| Organisms: | engelmann spruce | 
| Location: | Coconino National Forest; AZ; United States | 
| Description: | mature Engelmann spruce forest on San Francisco Peaks | 
| Date: | 1919 | 
| Collection: | Fort Valley Experimental Forest historical photographs | 
| Keywords: | 
				selective cutting San Francisco Peaks meteorological equipment regeneration elevational gradient meteorology study  | 
		
| Organisms: | engelmann spruce | 
| Location: | Fort Valley Experimental Forest; AZ; United States | 
| Description: | Weather Station on San Francisco Peaks | 
| Date: | 1919 | 
| Collection: | Fort Valley Experimental Forest historical photographs | 
| Keywords: | 
				San Francisco Peaks meteorological equipment buildings meteorological studies elevational gradient meteorology study  | 
		
| Location: | Coconino National Forest; AZ; USA | 
| Description: | Shelter cabin on San Francisco Peaks | 
| Date: | 1919 | 
| Collection: | Fort Valley Experimental Forest historical photographs | 
| Keywords: | 
				snow San Francisco Peaks meteorological equipment elevational gradient meteorology study  | 
		
| Organisms: | engelmann spruce | 
| Location: | Coconino National Forest; AZ; USA | 
| Description: | Engelmann Spruce planting site | 
| Date: | 1919 | 
| Collection: | Fort Valley Experimental Forest historical photographs | 
| Keywords: | 
				San Francisco Peaks meteorological studies elevational gradient meteorology study  | 
		
| Location: | San Francisco Peaks, Coconino N. F.; AZ; USA | 
| Description: | Location of instrument stations in the study of forest types in the San Francisco Mts., 1917-1919 | 
| Date: | 1918 | 
| 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 meteorological studies elevational gradient meteorology study  | 
		
| Location: | Coconino National Forest; AZ; United States | 
| Description: | Timberline on west slope of Mt. Agassiz | 
| Date: | 1917 | 
| Collection: | Fort Valley Experimental Forest historical photographs | 
| Keywords: | 
				San Francisco Peaks meteorological equipment elevational gradient meteorology study  | 
		
| Organisms: | douglas fir | 
| Location: | Fort Valley Experimental Forest; AZ; United States | 
| Description: | Weather Station on San Francisco Peaks | 
| Date: | 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 | 
| 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: | 










