There is a vast amount of information on the Internet about the Carson City Mint and the coins that were produced there. Following are links to a few sites you might find interesting:

Southgate Coins
The Internet's largest source of Carson City coins

Around Carson Web Site
The number-one source for information on Carson City, Nevada: past and present

The American Numismatic Association
The largest coin collecting organization in the world

PCGS Price Guide
A good source to get estimates of the values of U.S. coins