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USFS Logo Research Data Archive
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*To download images in addition to list, filter to 100 images or fewer.
Displaying items 1 - 7 of 7
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Urea trap
more info/bigger image
Collection: Alaska forestry research historical images
Keywords: forestry
fertilization
Location: unknown location Alaska
Description: Urea trap
Date: 7/1969

Emptying bags in hopper
more info/bigger image
Collection: Alaska forestry research historical images
Keywords: forestry
fertilization
Location: unknown location Alaska
Description: Emptying bags in hopper
Date: 6/1969

Helicopter loaded with urea Thomas bay 1969; Helicopter slinging device
more info/bigger image
Collection: Alaska forestry research historical images
Keywords: forestry
fertilization
Location: Frederick Sound Alaska
Description: Helicopter loaded with urea Thomas bay 1969; Helicopter slinging device
Date: 1969

Loading urea for spreading Thomas bay 1969 ; Helicopter truck bags of something
more info/bigger image
Collection: Alaska forestry research historical images
Keywords: forestry
fertilization
Location: Frederick Sound Alaska
Description: Loading urea for spreading Thomas bay 1969 ; Helicopter truck bags of something
Date: 1969

Spreading urea Thomas bay 1969; Helicopter
more info/bigger image
Collection: Alaska forestry research historical images
Keywords: forestry
fertilization
Location: Frederick Sound Alaska
Description: Spreading urea Thomas bay 1969; Helicopter
Date: 1969

Loading urea into hopper Thomas bay 1969
more info/bigger image
Collection: Alaska forestry research historical images
Keywords: forestry
fertilization
Location: Frederick Sound Alaska
Description: Loading urea into hopper Thomas bay 1969
Date: 1969

Spreading urea Thomas bay 1969; Helicopter slinging something
more info/bigger image
Collection: Alaska forestry research historical images
Keywords: forestry
fertilization
Location: Frederick Sound Alaska
Description: Spreading urea Thomas bay 1969; Helicopter slinging something
Date: 1969