2 links
The Ancient Bristlecone Pine
sonic.net
Dedicated to the oldest-known living tree, growing in the White Mountains in east central California. Information about the location, dendrochronology, photo gallery, and bibliogra…
Tree Root Architecture
chez.com
Information on research of tree root architecture, root excavation, 3D-digitising of root systems, tree root growth, tree stability, and windthrow.