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"i never could find no tracks in a womans heart"
"I swear, a womans breast is the hardest rock the
almighty ever made on this earth, and i can find no sign on it." Bearclaw
They can still be called in even in November but not as aggressive as in September. Probably more of a mild interest still dreaming about girls/cow elk he missed during rut.
Last few years where I hunt, the first two weeks of October were the most vocal for me. Definitely depends on pressure as well. Elk in September might not be vocal or come in to calls if they are over pressured. good luck on your hunt.