Hercules Dousman was a business partner of Henry Hasting Sibley in the American Fur Company, and owned steamship lines and timberlands. His partner Margaret Campbell was the part-Dakota sister of interpreter Scott Campell, who as a boy accompanied Meriwether Lewis on a trip to the east. Scott’s brothers were also active in the fur trade in the US-Indian Affairs. Scott’s son was acquitted of charges stemming from the Dakota War of 1862.
5 U.S. SIGNERS WHO ACCOUNT FOR 18 SIGNATURES ON 16 TREATIES