There is provided, according to another aspect of the invention, a method of logging {HEAD ~ a tree} having {TAIL ~ a trunk} with a top and bottom 
having
There is provided , according to another aspect of the invention , a method of logging { HEAD ~ a tree } having { TAIL ~ a trunk } with a top and bottom
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH