Little Eagle, Boreman Co., SD - 1909 Business Directory This file contains a listing from the "South Dakota State Business Directory", published in 1909 by the Gazetteer Publishing Co., Denver, CO. This information was transcribed by Deb Hochhalter and may be used for personal, non-profit use only. All other rights reserved. Deb Hochhalter 1997 Little Eagle A postoffice in Boreman County, 10 miles south of Mahto, the railroad station. The Grand River Indian School is located here. Population 25 white, 300 Indians. Last Name First Name Business Commons A. B. superintendent, Grand River Indian School Grand River Indian School A. B. Commons, superintendent Veldhuis J.G. Physician