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USFS Logo Research Data Archive
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Englemann spruce forest in San Francisco Mountains
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
Organisms: engelmann spruce
Location: San Francisco Mountains; AZ; United States
Description: Englemann spruce forest in San Francisco Mountains
Date: 1925

Aspen stand with scattered Douglas-fir poles
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: San Francisco Peaks
Organisms: douglas fir
aspen
Location: San Francisco Mountains; AZ; United States
Description: Aspen stand with scattered Douglas-fir poles
Date: 1919

Timberline on west slope of Mount Agassiz
more info/bigger image
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