The Journals of the Lewis & Clark Expedition, July 28--November 1, 1805 Gary E. Moulton; Thomas W. Dunlay; Meriwether Lewis; William Clark; Pelavin Research Institute; North Atlantic Treaty Organization.
University of Nebraska Press, 1988
Heeding the Call for Heritage Tourism: More Visitors Want an "Experience" in Their Vacations-Something a Historical Park Can Provide Nicholls, Sarah Vogt, Christine Jun, Soo Hyun.
Parks & Recreation, Vol. 39, No. 9, September 2004