Colonel Robert Sinkler
U.S. Army Corps of Engineers- Rock Island District
Rock Island, IL
CEMVR-CC@usace.army.mil
309-794-5249
William Graff
USDA/Farm Service Agency
Springfield, IL
bill.graff@il.usda.gov
217-241-6600
Timothy Henry
U.S. EPA - Water Division
Chicago, IL
henry.timothy@epa.gov
312-886-6107
Robyn Thorson
U.S. Fish and Wildlife Service
Fort Snelling, MN
robyn_thorson@fws.gov
612-713-5302
Robert Holmes
U.S. Geological Survey
Urbana, IL
bholmes@usgs.gov
217-344-0037
William Gradle
U.S. Department of Agriculture
Champaign, IL
bill.gradle@il.usda.gov
217-353-6606
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