1. Department of Sociology & Anthropology, Utah State University, Logan, Utah, USA
2. Ness School of Management and Economics, South Dakota State University, Brookings, South Dakota, USA
3. Haub School Environment and Natural Resources, University of Wyoming, Laramie, USA
4. Department of Civil and Environmental Engineering, South Dakota School of Mines and Technology, Rapid City, South Dakota, USA
5. Department of Agronomy, Horticulture & Plant Science, South Dakota State University, Brookings, South Dakota, USA