B. M. Bower 
The Flying U’s Last Stand [PDF ebook] 

In Flying U the Old Man's daughter, who just became a doctor, is coming to stay for the summer, and causes a lot of uproar among Chip and the rough and tumble cowhands who work on the range, the `badlands' at the edge of the Rocky Mountains in `Bear Paw' country.
A western series with fumbling heroes who appear to be real people. The story line is intriguing without the usual western gun violence a refreshing change.