Cross section of resin filled, preserved sap wood of an old pine (Pinus sylvestris) stump. Growth rings from 1624-1737. The wood in this sample is formed by a fire scare appearing a few years before 1624. The wood was found in September 2005 south of Björbo, Dalarna, Sweden at about N 60º26'15" E14º40'2". The image is scanned and the resolution is 1000 dpi.
<a href="//commons.wikimedia.org/wiki/User:Taxelson" title="User:Taxelson">Taxelson</a>
<span class="int-own-work" lang="en">Own work</span>