He was appointed US Superintendent for Indian Affairs ( 1838 - 1843 ) in the region after William Clark .
After Manuel Lisa 's death in 1820 , Pilcher became the owner and president of the Missouri Fur Company , based in St. Louis .
Pilcher was appointed US Superintendent for Indian Affairs ( 1838 - 1843 ) in the region after William Clark .
After Manuel Lisa 's death in 1820 , Pilcher became the owner and president of the Missouri Fur Company , based in St. Louis .