B. M. Bower 
Where Stillwater Runs Deep [EPUB ebook] 

He was an Irishman and a West Pointer and liked to fight. But he was also Patrick R. O’Neill, ranger of the Yellowstone National Forest, and his mission in Bad Cañon was one of peace. And peace it was, but two-fisted! At the moment, Ed Murray, supervisor of the Absarokee Division of the Yellowstone National Forest, was peeved. 'Read that!’ he snorted, shoving a letter from his particular higher-ups in Washington into the hands of his stolid secretary who, by the way, comprised the entire office force of the Absarokee Division.