“Interesting persons who occupied cabins were Mrs. Charles E. Galpin and her daughter, Miss Lou Galpin [sic], the former being the wife of Maj. Galpin, the famous trader ... Mrs. Galpin was a woman of unusual mental capacity, who was well known throughout the Dakota country, and her daughter had been well educated in St. Louis. They were just returning to Grand River Agency from Chicago, where they had been procuring a wedding trousseau for Miss Lou, who was soon to be married to Capt. Harmon.”