Here are some great sources to use as you do your home canning this fall:
Utah - Guide
to Home Canning
Arizona - Home Canning (below 2000 ft.)
USDA - Complete Guide To Home
Canning
National Center for Home Food
Preservation
And a great article on the benefits of home canning as well as a recap on updated best practices:
http://www.deseretnews.com/article/1,5143,700250097,00.html