Amy & Ralph,
What a Great thing that you are doing!!!

Go to BestFriends.org

there is alot of information there...also,they offer seminars...some in your area to attend...that give guidance on setting up shelters...Mr.Michael Mountain is the Director of Best Friends

They are a Wonderful Organization...and I know they will help you...
There is also a Mountain of books at the Library to help answer some of your questions...
Good Luck!!!!
Nicole