[Lizavetta]

"Breaking a path is hard work, I know," said Laura, and suddenly she and Martha were smiling to each other, a friendly smile that made Laura feel as if teaching school were easy.

I have read the Laura Ingalls Wilder books a hundred times and the bolded words are simply not in the books.

[Sacajaweau]

1/2 a mile in the snow is 10 minutes

[Sacajaweau]

Trees break a path. You can pretty much run through a heavily treed woodland.