Soon after, Alexander Hunter Murray established trading posts at Lapierre House (1846) and at Fort Yukon (1847) at the juncture of the Porcupine and Yukon Rivers.
Non moito tempo despois, Alexander Hunter Murray estableceu postos comerciais en Lapierre House (1846), e en Fort Yukon (1847), na confluencia dos ríos Porcupine e Yukón.