Bulls and Cows

by Mark Halpin



Solutions to the individual problems, along with the missing cattle, are shown below. Each five-digit answer is the zip code of an apt locale (as clued a bit by "how to address it"). Each locale is the same length as the number of clues given for that puzzle. The letters corresponding to the clues with missing cattle should be taken as letter strings, which can be arranged to form the highly contagious cattle disease AP/HTHO/US/FEV/ER or APHTHOUS FEVER.

Upon completing this puzzle, the following set of cards is revealed on the round page: