1. a Department of Geography , State University of New York , 105 Wilkeson Quad, Buffalo, NY, 14261, USA
2. b Department of Geography , University of Wisconsin-Milwaukee , Bolton Hall 482, P.O. Box 413, Milwaukee, WI, 53201-0413, USA
3. c Department of Anthropology , State University of New York , 380 MFAC-Ellicott Complex Buffalo, NY, 14261, USA