The Long Dim Trail

A woman with a young son is abandoned by her outlawed husband in the middle of nowhere and that too amidst the Indian uprising.
Excerpt:
"Everything all right, Limber?" asked Allan Traynor, boss of the Diamond H ranch, as a cowboy with jingling spurs reined his pony before the closed gates of the corral. Doctor Powell, standing beside Traynor, scrutinized the rider, whose broad-brimmed Stetson, caught by the wind, flapped from his face, exposing the sun-brown skin, firm chin and grey eyes. It needed no student of psychology to decide that Limber was not a man who would flinch when facing a six-shooter held by a rustler. The cowboy nodded answer to Traynor's query..."
Forrestine C. Hooker was an American author in the early 20th century.