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Douglas fir tree

By Earth Resources Observation and Science (EROS) Center 2020 (approx.)
Color photo of Douglas fir tree in central Idaho
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Detailed Description

This Douglas fir tree in central Idaho is more than 700 years old. Dr. Chris Crawford of the USGS Earth Resources Observation and Science (EROS) Center used time series data from tree rings to learn about historical climate and precipitation patterns before turning his full-time attention to Landsat research.

Sources/Usage

Public Domain.