Just done a search for you.
Detroit michigan?
heres some information.
http://www.mi-aan.org/rescue_groups.html
Hope thats the right place lol I'm in uk
Hi I'm sorry about your mices,I was just reading your memorial and it just reminded me when i thought my mices died, but I didn't know they were hibernating untill a friend told me.
I took them to the vetnurse and she checked their heartbeats with an earpeice and they were hibernating.Their...