Show FOREST NII NOTES TES wireless telegraphy is being used in canada in reporting on forest fires the best excelsior is made from basswood or linden aspen and cottonwood ton wood however supply nearly aalf of the total amount manufactured the king of england has given to have a part of the royal estate placed at the disposal of the school of forestry at cambridge university tor for purposes of experiment and demonstration william penn in its his charter of rights provided that tor for every five acres of forest cleared one acre should be left in woods foresters today maintain that on an average one fifth of every farm should be in timber recent experiments indicate that round timbers of all pines of engelmann spruce douglas fir tamarack and western larch can be readily treated with preservatives but that the firs hemlocks redwood and sitka spruce in the round do not take treatment easily this information should be of value to persons who contemplate preservative treatment of round posts poles or mine props 1 |