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USFS Logo Research Data Archive
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Looking up line from SP-1, Plot 68, Chena. 1R-7. Mixed B.S., W.S. & white birch, age over 150 yrs. S2 55' 31%. S & Tamarack proportion 49%; birch 51%, 49'. Old hi-grade. Old fire sign. [See image for per acre volumes.]
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Chena River
Description: Looking up line from SP-1, Plot 68, Chena. 1R-7. Mixed B.S., W.S. & white birch, age over 150 yrs. S2 55' 31%. S & Tamarack proportion 49%; birch 51%, 49'. Old hi-grade. Old fire sign. [See image for per acre volumes.]
Date: 7/11/1958

Chena River. Foreground right, willow & alder. Across river left background ? 3 ? d 75+', foreground alder. Across river rt. Bkgrnd P3 ? d 70', foreground willow.
more info/bigger image
Collection: Pacific Northwest Research Station, Alaska Image Archive
Keywords: plant ecology
vegetation types
ecotypes
Location: Alaska; Chena River
Description: Chena River. Foreground right, willow & alder. Across river left background ? 3 ? d 75+', foreground alder. Across river rt. Bkgrnd P3 ? d 70', foreground willow.
Date: 6/27/1957

https://www.fs.usda.gov/rds/imagedb/results?place%5B0%5D=Chena+River