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USFS Logo Research Data Archive
You are here: Home > Search Results


*To download images in addition to list, filter to 100 images or fewer.
Displaying items 1 - 20 of 25
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Yellow pine
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: logging
Organisms: ponderosa pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: Yellow pine
Date: 10/10/1920

brush piles and western yellow pine
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: grasses
regeneration
Organisms: pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: brush piles and western yellow pine
Date: 10/08/1920

Brush piles 10 years old
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: decay
grasses
regeneration
brush
Organisms: pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: Brush piles 10 years old
Date: 10/08/1920


more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: seeding/planting
Location: Fort Valley Experimental Forest; AZ; USA
Description: Transpiration. Showing transpiration pots in place. Excelsior is packed around pots. Screen used to protect against animals. Gage raised.
Date: 10/02/1920

Western Yellow Pine Reproduction
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: reproduction
fence line effect
protected area
sample plot
Location: Fort Valley Exp. Station; AZ; USA
Description: Western Yellow Pine Reproduction
Date: 10/1920

Sample Plot S3-A
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: understory
sample plot
Location: Fort Valley Experimental Forest; AZ; United States
Description: Sample Plot S3-A
Date: 08/28/1920

slow decay of slash
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: logging
decay
brush
Location: Fort Valley Experimental Forest; AZ; United States
Description: slow decay of slash
Date: 08/28/1920

scattered brush
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: brush
Location: Fort Valley Experimental Forest; AZ; United States
Description: scattered brush
Date: 08/1920

Yellow pine seedlings 5 years old
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: regeneration
Organisms: ponderosa pine
Location: Fort Valley Experimental Forest; AZ; United States
Description: Yellow pine seedlings 5 years old
Date: 06/16/1920

Yellow pine seedlings 5 years old
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: soil
seeding/planting
Organisms: ponderosa pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: Yellow pine seedlings 5 years old
Date: 06/16/1920

Yellow pine seedlings 5 years old
more info/bigger image
Collection: Fort Valley Experimental Forest historical photographs
Keywords: soil
seeding/planting
Organisms: ponderosa pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: Yellow pine seedlings 5 years old
Date: 06/16/1920

Sample plot S3B, repeat photo
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: snow
grasses
damage
sample plot
Location: Fort Valley Exp. Forest; AZ; USA
Description: Sample plot S3B, repeat photo
Date: 05/20/1920

Pseudotsuga taxifolia
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Collection: Fort Valley Experimental Forest historical photographs
Organisms: pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: Pseudotsuga taxifolia
Date: 05/04/1920

Bristlecone pine seedlings
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Collection: Fort Valley Experimental Forest historical photographs
Organisms: bristle cone pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: Bristlecone pine seedlings
Date: 05/04/1920

Western yellow pine transplants
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: soil
seeding/planting
Organisms: pine
Location: Fort Valley Experimental Forest; AZ; USA
Description: Western yellow pine transplants
Date: 04/19/1920

Engelmann spruce transplants
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: soil
seeding/planting
Organisms: engelmann spruce
Location: Fort Valley Experimental Forest; AZ; USA
Description: Engelmann spruce transplants
Date: 04/19/1920


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Collection: Fort Valley Experimental Forest historical photographs
Keywords: fire
regeneration
brush
Location: Fort Valley Experimental Forest; AZ; United States
Description: Burned brush pile, 10 years after burning. Sample plot S3A. Such spots are favorable for reproduction if the fire is not too severe.
Date: 1920

Pine seedlings are vigorous in the burned spots
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: fire
regeneration
brush
sample plot
Location: Fort Valley Experimental Forest; AZ; United States
Description: Pine seedlings are vigorous in the burned spots
Date: 1920

Freezing experiment. Pots in snow pack.
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: soil
seeding/planting
Location: Fort Valley Experiment Station; AZ; United States
Description: Freezing experiment. Pots in snow pack.
Date: 1920

Pots in snow pack
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Collection: Fort Valley Experimental Forest historical photographs
Keywords: snow
seeding/planting
research techniques
Location: Fort Valley Experiment Station; AZ; United States
Description: Pots in snow pack
Date: 1920