MADE FOR TV MOVIE ABOUT WOLVES IN WINTER

I have been trying to remember this movie from the mid to late 70s that was a made for TV afterschool special I think that was about a boy and girl trapped in the woods in the winter and a pack of wolves is chasing them.  I remember the girl (I think) had a broken leg and the boy had to try to go get help.  Maybe around 1976, 77 or 78??

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