Here is a list of some helpful forums, resources, and companies that we've enjoyed.
The largest Treasure Hunting Forum and Community on the Internet! We have discussion forums that cover a wide range of treasure releated topics, from the Shipwrecks to Metal Detecting. Coins, Gold Prospecting, Techniques, Preservation, Mapping, Ghost Towns, Stamp Collecting, Fossils and everything in between. The site is completely free to use, to take full advantage of it all you need to do is Register - It's Quick and Free!
Metal Detecting Forum is a great place to go to discuss all things related to hunting treasures!
Visit Tom's Treasure Forums for news, information, and lots of resources on metal detecting.