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USFS Logo Research Data Archive
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Displaying items 1 - 10 of 25
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more info/bigger image
Collection: RMRS Archive Images
Location: Missionary Ridge, San Juan N.F.; CO; United States
Description: Spruce budworm on white fir.
Date: 8/1960

two 24'' aspen with old cankers stemming from old wounds
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Near Beaver Lake Campground, Quray Dist., San Juan N.F.; CO; United States
Description: two 24'' aspen with old cankers stemming from old wounds
Date: 6/1960

Rough-bark canker of aspen
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Near Aspen G.S., Mancos Dist., San Juan N.F.; CO; United States
Description: Rough-bark canker of aspen
Date: 6/1960

Tree #2, rough-bark canker 8-10'' before peeling
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Near Aspen G.S., Mancos Dist., San Juan N.F.; CO; United States
Description: Tree #2, rough-bark canker 8-10'' before peeling
Date: 6/1960

Tree #2, rough-bark canker 8-10'' after peeling
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Near Aspen G.S., Mancos Dist., San Juan N.F.; CO; United States
Description: Tree #2, rough-bark canker 8-10'' after peeling
Date: 6/1960

14'' aspen girdled by sooty-bark canker
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Near Jackson Guard Station, San Juan N.F.; CO; United States
Description: 14'' aspen girdled by sooty-bark canker
Date: 6/1960

Sooty-bark canker on 18'' aspen
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Near Beaver Lake Campground, Quray Dist., San Juan N.F.; CO; United States
Description: Sooty-bark canker on 18'' aspen
Date: 6/1960

Over 60% of the stand infected with sooty-bark cankers
more info/bigger image
Collection: RMRS Archive Images
Keywords: canker
forest pathology
Organisms: aspen
Location: Near Jackson Guard Station, San Juan N.F.; CO; United States
Description: Over 60% of the stand infected with sooty-bark cankers
Date: 6/1960

Unknown basal damage of aspen
more info/bigger image
Collection: RMRS Archive Images
Keywords: forest pathology
Organisms: aspen
Location: San Juan N.F.; CO; United States
Description: Unknown basal damage of aspen
Date: 7/1958

Tree 288 (left) with dead rust brooms on the bole at 94' to 105', and dead top (old) 94' to 121'
more info/bigger image
Collection: RMRS Archive Images
Keywords: spruce defect study
forest pathology
Organisms: spruce
Location: San Juan N.F.; CO; United States
Description: Tree 288 (left) with dead rust brooms on the bole at 94' to 105', and dead top (old) 94' to 121'
Date: 7/1958