1. A. C. Avrin (https://orcid.org/0000-0003-4037-1685) ✉ (), J. H. Sperry and M. L. Allen, Dept of Natural Resources and Environmental Sciences, Univ. of Illinois, Urbana, IL, USA. MLA also at: Illinois Natural History Survey, Univ. of Illinois, Champai
2. C. E. Pekins, Fort Hood Natural Resources Management Branch, United States Army Garrison, Fort Hood, TX, USA.
3. JHS and P. J. Wolff, Construction Engineering Research Laboratory, United States Army Corps of Engineers, Champaign, IL, USA.