[1] US Geol Survey, Upper Midwest Environm Sci Ctr, 2630 Fanta Reed Rd, La Crosse, WI 54603 USA
[2] Univ Arizona, Sch Nat Resources & Environm, Tucson, AZ 85721 USA
[3] Udall Ctr Studies Publ Policy, Tucson, AZ 85721 USA
[4] US Geol Survey, Geosci & Environm Change Sci Ctr, Denver Fed Ctr, Bldg 25,Room 1719,MS 980, Denver, CO USA
[5] US Fish & Wildlife Serv, Midwest Reg, 5600 Amer Blvd W,Suite 990, Bloomington, MN 55437 USA
[6] US Geol Survey, Geosci & Environm Change Sci Ctr, POB 25046,MS 980, Denver, CO 80225 USA
[7] Xerces Soc Invertebrate Conservat, 628 NE Broadway,Suite 200, Portland, OR 97232 USA
[8] Univ Illinois, Energy Resources Ctr, Chicago, IL 60607 USA
[9] US Fish & Wildlife Serv, Natl Wildlife Refuge Syst, Div Nat Resources & Conservat Planning, 5275 Leesburg Pike, Falls Church, VA 22041 USA
[10] US Fish & Wildlife Serv, Div Biol Resources R3, Neal Smith Natl Wildlife Refuge, POB 399,9981 Pacific Ave, Prairie City, IA 50228 USA
[11] Univ Northern Iowa, Tallgrass Prairie Ctr, Cedar Falls, IA 50614 USA
[12] US Fish & Wildlife Serv, Iowa Private Lands Off, POB 399,9981 Pacific St, Prairie City, IA 50228 USA
[13] US Geol Survey, Ecosyst Miss Area, 12201 Sunrise Valley Dr,Mail Stop 301, Reston, VA 20192 USA
[14] Journey North, 19130 Highland Ave, Wayzata, MN 55391 USA
[15] Univ Minnesota, Dept Fisheries Wildlife & Conservat Biol, 135 Skok Hall,2003 Upper Buford Circle, St Paul, MN 55108 USA
[16] Iowa State Univ, Dept Ecol Evolut & Organismal Biol, Ames, IA 50014 USA
[17] Univ Calif San Diego, Scripps Inst Oceanog, 9500 Gilman Dr, La Jolla, CA 92093 USA
[18] Univ Kansas, Dept Ecol & Evolutionary Biol, 7005 Haworth Hall,1200 Sunnyside Ave, Lawrence, KS 66045 USA
[19] US Fish & Wildlife Serv, Natl Wildlife Refuge Syst, Inventory & Monitoring, 1201 Oakridge Dr Suite 320, Ft Collins, CO 80525 USA
[20] US Geol Survey, Status & Trends Program, 1311 East 4th St, Tucson, AZ 85721 USA
[21] USA Natl Phenol Network, USA NPN Natl Coordinating Off, 1311 East 4th St, Tucson, AZ 85721 USA
[22] Univ Arizona, Sch Nat Resources & Environm, Tucson, AZ 85721 USA