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Meet Shelly and Basil - Public Domain image, National Parks Gallery
Willkommen Shelly Middens und Basil Rimsherd! Sie werden von Zeit zu Zeit vorbeischauen, um uns zu helfen, die Geschichte unserer Nation anhand archäologischer Funde zu erforschen.
A close up of a piece of wood with moss growing on it. Dendrochronolog...
Public domain textures and patterns: A close up of a tree stump / A tree stump with a circle of rings.
1937. Ponderosa pine stump section showing tree growth rings and fire ...
Ponderosa pine stump section showing tree growth rings and fire scars from 1680-1930. Deming Creek. Bly, Oregon. Note: "For the long-period fluctuations, five areas were selected in widely separated sections o... Mehr
1937. Ponderosa pine stump section showing tree growth rings and fire ...
Ponderosa pine stump section showing tree growth rings and fire scars from 1255-1930. Deming Creek. Bly, Oregon. Note: "For the long-period fluctuations, five areas were selected in widely separated sections o... Mehr
Virgin redwood, 864 years old 1a35447v
Virgin redwood, 864 years old