Wisconsin Camping Firewood Notice: Firewood Notice: Due to the potential of carrying harmful emerald ash borers [exit DNR]
http://www.emeraldashborer.wi.gov/ , firewood from out of state or from more than 25 miles away is not allowed on Wisconsin State Park or Forest properties. Also, firewood that has been in the Wisconsin emerald ash borer quarantined area [PDF 102KB]
http://dnr.wi.gov/forestry/fh/pdf/FirewoodQuarantineWI.pdf is not allowed on properties outside of the quarantined area. Please buy firewood at or near the park or forest where you are going. Call the DNR toll-free Firewood Hotline, (877) 303-WOOD ((877) 303-9663) for information before packing for a trip.
Firewood rules
http://dnr.wi.gov/invasives/firewood/index.htm