(Above): Antique Longleaf Pine cross-section with historical dates of interest recorded within it's rings. Click on photo for larger image.
From The Longleaf Alliance website:
In a little over 150 years, the Longleaf pine forest transitioned from a forest that dominated the southern landscape to one of near anonymity. Although remnants of this once great forest abound, they are often only noticeable to the ardent observer.