1. Science Department, Valley City State University, Valley City, ND 58072, USA
2. Department of Earth and Environmental Systems, Indiana State University, Terre Haute, IN 47809, USA
3. Rocky Mountain Tree-Ring Research, Ft. Collins, CO 80526, USA
4. Department of Biology, University of Central Oklahoma, Edmond, OK 73034, USA
5. Department of Botany & Plant Sciences, University of California, Riverside, CA 92521, USA
6. Department of Geosciences, Austin Peay State University, Clarksville, TN 37044, USA
7. Synergy Land & Livelihoods Consulting LLC, Laramie, WY 82070, USA
8. Department Geography, Planning and Environment, Concordia University, Montreal, Quèbec H3G 1M8, Canada
9. Department of Geography and Environment, Trinity Western University, Langley, British Columbia V2Y 1Y1, Canada
10. Department of Geology & Geography, West Virginia University, Morgantown, WV 26506, USA
11. USDA Forest Service, Colville National Forest, Colville, WA 99114, USA
12. USDA Forest Service, Umatilla National Forest, Walla Walla and Pomeroy Ranger Districts, Pendleton, OR 97801, USA
13. U.S. Geological Survey New Mexico Landscapes Field Station, Santa Fe, NM 87508, USA
14. USDA Forest Service, Dixie/Fishlake National Forest, Cedar City, UT 84721, USA
15. Department of Earth Sciences, Montana State University, Bozeman, MT 59717, USA