Step up your wilderness survival game by learning how to use the resources around you, such as abundant pine trees.
The reference relates to resin from Scots pine trees resin being used for making candles in preference to using animal fat. Trees for Life An area of surviving Caledonian pinewood in the Highlands ...
Only the sap wood of the tree is penetrated by this method ... great that within the next fifteen or twenty years the resin yielding pine forests of the South will be wholly depleted.