1. Department of Social Sciences, Michigan Technological University, Houghton, Michigan, USA;
2. Department of Geology and Geological Engineering, Colorado School of Mines, Golden, Colorado, USA;
3. Upper Peninsula Engineers and Architects, Houghton, Michigan, USA;
4. eDepartment of Computer Sciences, Michigan Technological University, Houghton, Michigan USA
5. Geospatial Research Facility, Michigan Technological University, Houghton, Michigan, USA;