Here are some other sites that you  may find useful

Sauk PrairieTrap and Skeet Club

OTHER SITES TO CHECK OUT

The National Shooting Sports Foundation

Gun Owners of America

Minnesota Trapshooting Association

The National Skeet and Sporting Clays Associtaion

Alliant powder

Hodgdon powder

Shotgun report

Accurate powder

Remington

Trap and Field magazine (official publicataion of ATA)

South Dakota State Trapshooting Association

Recobs Target Shop & Supplies

Wisconsin River Sportsmans Club

Gamaliel Shooting Supply

Shotgun Sports Magazine

Rugged Gear  shooting accesories

Ponsness/Warren

Hornady Supplies

Where To Shoot.org

Find a place to shoot

Keen Site Shotgun Ribs and Accessories (Great Site!!)