Given the vast amount of space available, I'd include friends addresses, and a complete phone list ( friends, family, work, back-up numbers Hey what the alternative number for 911 in your area buckaroo?) Got your kids school number on there? your neighbor, your plumber, doc?
Photos of your house, serial numbers of your expensive gear -- for insurance.
A city map. Your Prescriptions. ( glasses, too!) A basic first aid text.
Keep thinking on this one,
TRO
PS you might also consider backing up your information at a remote site -- a relatives, for instance