"The greatest land geographer in the world", David Thompson surveyed and mapped more than 3.9 million square kilometers of the North American continent. Find out who he was, how he explored and surveyed, the tools he used, the maps he created, and his impact on the fur trade and western migration. Through discussion and hands-on learning with period artifacts – guided by a presenter both in-character and in-costume – you will gain a deeper understanding of the early exploration of North America.