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USFS Logo Research Data Archive
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Displaying items 1 - 50 of 90
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Cytospora chrysosperma on Populus alba; spore horns after partial deliquescence.
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Location: Albuquerque; NM; United States
Description: Cytospora chrysosperma on Populus alba; spore horns after partial deliquescence.
Date: 10/31/1915

Cytospora chrysosperma (culture) on Populus.
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Collection: RMRS Archive Images
Keywords: culture (fungal, etc.)
forest pathology
Location:
Description: Cytospora chrysosperma (culture) on Populus.
Date: 10/20/1915

Cytospora chrysosperma (culture) on Populus.
more info/bigger image
Collection: RMRS Archive Images
Keywords: culture (fungal, etc.)
forest pathology
Location:
Description: Cytospora chrysosperma (culture) on Populus.
Date: 10/20/1915

Spruce burns - 30-40 years old
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Collection: RMRS Archive Images
Keywords: fire
San Francisco Peaks
forest pathology
Organisms: spruce
Location: San Francisco Peaks, Coconino N.F.; AZ; United States
Description: Spruce burns - 30-40 years old
Date: 10/18/1915

Spruce burns - 30-40 years old
more info/bigger image
Collection: RMRS Archive Images
Keywords: San Francisco Peaks
fire-effects
spruce burn, Inner Basin circa 1880
forest pathology
Organisms: spruce
Location: San Francisco Peaks, Coconino N.F.; AZ; United States
Description: Spruce burns - 30-40 years old
Date: 10/18/1915

Spruce burn 30-40 years old on slope of interior of San Francisco Peaks
more info/bigger image
Collection: RMRS Archive Images
Keywords: San Francisco Peaks
spruce burn, Inner Basin circa 1880
forest pathology
Organisms: fir
Location: San Francisco Peaks, Coconino N.F.; AZ; United States
Description: Spruce burn 30-40 years old on slope of interior of San Francisco Peaks
Date: 10/18/1915

Pulled top
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Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: ponderosa pine
Location: Tusayan forest along road to Kendrick; AZ
Description: Pulled top
Date: 10/16/1915

Black jack ponderosa pine (#77) with resin below dead limb previously infected by southwestern dwarf mistletoe
more info/bigger image
Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: mistletoe
Location: Fort Valley Experimental Forest; AZ; United States
Description: Black jack ponderosa pine (#77) with resin below dead limb previously infected by southwestern dwarf mistletoe
Date: 10/15/1915

Cytospora chrysosperma on Populus alba. Black canker or lesion resulting from artifical inoculation; canker girdles 3/4 of stem.
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Location:
Description: Cytospora chrysosperma on Populus alba. Black canker or lesion resulting from artifical inoculation; canker girdles 3/4 of stem.
Date: 10/03/1915

Cytospora chrysosperma (canker) on Populus alba.
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Location: Albuquerque; NM; United States
Description: Cytospora chrysosperma (canker) on Populus alba.
Date: 10/03/1915

Lesion caused by Cytospora chrysosperma at base of Salix babylonica, insects feeding on wound exudate
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Location:
Description: Lesion caused by Cytospora chrysosperma at base of Salix babylonica, insects feeding on wound exudate
Date: 10/01/1915

Cytospora chrysosperma (galls) on Populus eugenei.
more info/bigger image
Collection: RMRS Archive Images
Keywords: gall
forest pathology
Location: Albuquerque; NM; United States
Description: Cytospora chrysosperma (galls) on Populus eugenei.
Date: 10/01/1915

Wooly aphids associated with Cytospora chrysosperma induce galls on Carolina poplar
more info/bigger image
Collection: RMRS Archive Images
Keywords: gall
forest pathology
Location: Albuquerque; NM; United States
Description: Wooly aphids associated with Cytospora chrysosperma induce galls on Carolina poplar
Date: 10/01/1915

Watershed Project
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Collection: Sierra Ancha Historical Images
Keywords: erosion
watershed
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: soil
erosion
watershed
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: stream flow
erosion
drainage
watershed
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
grasses
wind
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
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Collection: Sierra Ancha Historical Images
Keywords: cutting
drainage
watershed
Organisms: cattle
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
flooding
drainage
watershed
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
rock formation
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
overgrazed
Organisms: cattle
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
overgrazed
Organisms: cattle
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
overgrazed
Organisms: cattle
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
overgrazed
Organisms: cattle
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: soil
erosion
watershed
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
watershed
Location: Coronado NF; AZ; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: grazing
erosion
protected area
Organisms: cattle
Location: Coronado NF; USA
Description: Watershed Project
Date: 09/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: soil
erosion
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/10/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
Location: Tonto NF; AZ; u
Description: Watershed Project
Date: 08/1915

Range Study
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Collection: Sierra Ancha Historical Images
Keywords: rock formation
Location: Tonto NF; AZ; USA
Description: Range Study
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: stream flow
drainage
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
dam
watershed
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: soil
erosion
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: soil
erosion
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: soil
erosion
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: soil
erosion
dam
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
dam
drainage
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: stream flow
defoliation
drainage
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
drainage
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
drainage
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
drainage
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: stream flow
erosion
drainage
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: personnel
watershed
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: defoliation
drainage
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: defoliation
drainage
watershed
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 08/1915

Range Study
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Collection: Sierra Ancha Historical Images
Keywords: grassland
brush
Location: Tonto NF; AZ; USA
Description: Range Study
Date: 08/1915

Spore horns of Cytospora chrysosperma (close view after partial deliquesence) on Populus tremuloides
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Location: Flagstaff. near railroad station; AZ; United States
Description: Spore horns of Cytospora chrysosperma (close view after partial deliquesence) on Populus tremuloides
Date: 07/06/1915

Turpentine tree
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Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: ponderosa pine
Location: Fort Valley Exp. Station, Coconino N.F.
Description: Turpentine tree
Date: 7/3/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
dam
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 07/1915

Watershed Project
more info/bigger image
Collection: Sierra Ancha Historical Images
Keywords: erosion
dam
Location: Tonto NF; AZ; USA
Description: Watershed Project
Date: 07/1915