USGS researcher Erich Peitzsch analyzes tree rings in Alaska.

USGS researcher Erich Peitzsch analyzes tree rings at Eaglecrest Ski Area in Juneau, Alaska.

Detailed Description

USGS researcher Erich Peitzsch analyzes tree rings at Eaglecrest Ski Area in Juneau, Alaska.

Details

Image Dimensions: 800 x 534

Date Taken:

Location Taken: AK, US

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