Answer:

OAKS

AnswerCrossword Clue
OAKSThousand .., CA
OAKSThousand .., Cal.
OAKSStately trees
OAKSDruids' sacred trees
OAKSSturdy trees
OAKSThey're high and mighty
OAKSHardwoods
OAKSTrees sacred to Druids
OAKSSquirrels' addresses?
OAKSDruids deemed them sacred
OAKSSherman .., Calif.
OAKSSquirrels' hangouts
OAKSQuercitrons, e.g.
OAKSEpsom race, with "The"
OAKSSherman ... (affluent L.A. community)
OAKSSymbols of stoutness
OAKSTwelve ... ("Gone With the Wind" plantation)
OAKS"Mighty" trees
OAKSAcorns' destiny
OAKSBeech family trees
OAKSFormer acorns
OAKSAcorn sources
OAKSMajestic trees
OAKSDurable wood sources
OAKSSymbols of might
OAKSAshley Wilkes's plantation Twelve ..
OAKSSymbols of strength
OAKSMighty growers
OAKSCork sources
OAKSWine barrel woods
OAKSHardwood trees
OAKSBarrel sources
OAKSAcorns' offspring
OAKSQuercus trees
OAKSSymbols of sturdiness
OAKSAdult acorns
OAKSMighty beeches
OAKSSquirrel haunts
OAKSSherman ..., CA
OAKSAcorn producers