They were to move later to Register Cliff .
On April 30 , 1857 , through connections with Robert Campbell ( Frontiersman ) , Ward and Guerrier were commissioned to be the official sutlers at Fort Laramie , giving them a monopoly at the busiest post on the frontier .
sutlers were to move later to Register Cliff .
On April 30 , 1857 , through connections with Robert Campbell ( Frontiersman ) , Ward and Guerrier were commissioned to be the official sutlers at Fort Laramie , giving them a monopoly at the busiest post on the frontier .