Tyser, Robin W.
Rolfhus, Kristofer R.
Wiener, James G.
Windels, Steve K.
Custer, Thomas W.
Dummer, Paul M.
Funding for this research was provided by:
National Park Service (P12AC10145)
Article History
Received: 5 October 2015
Accepted: 11 January 2016
First Online: 22 January 2016