Dunsmore, Faulk Co., SD - 1909 Business Directory This file contains a listing from "South Dakota State Business Directory", published by The Gazetteer Publishing Co., Denver, CO in 1909. This listing shows businesses in Dunsmore. This information transcribed by Violet L. Sunderland, vsunderl@hq.tcfarm.com and may be freely copied for non-profit purposes. All other rights reserved. DUNSMORE A postoffice in Faulk county, 12 miles south of Seneca, the nearest railroad point. Population: 8. (No further business listings given)