Show Tree trunks lengthen le leth th only at atthe a athe t the top tap Nails Nalls driven Into the h trunk 01 or marks marls cut in nt the tho bark donot d do o not get higher from the ground a athe as s the tree grows groves although they y m y sy appear to if dirt curt is washed away awa y from fr om the foot of the tree Once o the side a tree grow grove out they remain 1 in it the same posItion throughout tho life l e of the tree or untIl they drop dro off says the U S Forest Service Where trees growl grove together tog in so solid d sands Elands morn more ra- ra rapid rapid pid height l g-l results and louver 10 el limbs combs drop off earner earlier mak- mak making re mg ing for clearer tImber |