ARKANSAS
Ozark Earth Science Club 300%
Rogers Gem & Mineral Society 100%
Spring River Gem & Mineral Club 800%
ILLINOIS
Blackhawk Gem & Mineral Club 2300%
Central Illinois Gem & Mineral Club 1400%
Chicago Area Paleontogical Society *
Chicago Lapidary Club 1400%
Chicago Rocks & Mineral Society 500%
Des Plains Valley Geological Society *
Double I Gem & Mineral Society *
Earth Science Club of Northern Illinois 200%
Edwards River Earth Science Club 1800%
Elgin Rock & Mineral Society 500%
Fulton County Rockhounds 100%
Gem City Rock Club 5200%
Greater Oaklawn Diggers *
Illinois Valley Gem & Mineral Society 100%
Joliet Gem Club 200%
Lake County Gem & Mineral Society 300%
Lincoln Orbit Earth Science Society 3100%
Northwest Illinois Rock Club 100%
Park Forest Earth Science Club 300%
Sauk Valley Rock & Mineral Club 200%
Siloam Springs Earth Science Club 2500%
Southern Illinois Earth Science Club 2300%
West Central Illinois Rock & Mineral Club 2900%
West Suburban Lapidary Club 300%
Worthen Earth Searchers of Hancock County 2100%
MICHIGAN
Alpena Earth Science Society *
Bay de Noc Gem & Mineral Club 1400%
Beacon Rock & Fossil Club 100%
Blossomland Gem & Mineral Club 200%
Blue Water Lapidary Society 300%
Cass River Gem & Mineral Society *
Central Michigan Lapidary & Mineral Society 1000%
Clare Rock & Min Club 200%
Copper Country Rock & Mineral Club 1900%
Flint Rock & Gem Club 1000%
Grand Rapids Mineral Society 1400%
Grand Traverse Rock & Mineral Club *
Great Lakes Rock Club 1200%
Huron Hills Lapidary & Mineral Society 1500%
Indian Mounds Rock & Mineral Club 3000%
Ishpeming Rock & Mineral Club 1900%
Kalamazoo Geological & Mineral Society 600%
Lapeer Co. Gem & Min. Soc 600%
Livingston Gem & Mineral Society 200%
Michigan Gem & Mineral Society 700%
Michigan Geology & Gemcraft Society 100%
Michigan Mineralogical Society 1900%
Midwest Faceters Guild *
Midwest Mineralogical & Lapidary
Society of Dearborn 400%
Mt. Clemens Geol & Lap Soc 400%
Muskegon Cnty Rock & Min. Assoc. 400%
Oakland County Earth Science Club 1600%
Petoskey Rock & Min Club 300%
Roamin Club, The 100%
Rock Exchange Club of Garden City 1000%
Shiawassee Valley Rock & Gem Club *
State Line Gem & Mineral Society 2000%
Stonehead Lapidary & Mineral Club 300%
Tri-County Rocks & Mineral Society 1100%
Tulip City Gem & Mineral Club 1800%
Waterford Gem & Mineral Soc. 1400%
Wonderland Rock Club 1600%
SOUTH DAKOTA
Badland-Sandhill Earth Science 900%
Brookling Area Gem & Mineral 1000%
Chamberlain Gem & Mineral Society 100%
Corn Palace Rock Club 700%
Coteau Des Plaines Gem Min *
Fort Randall Gemites 100%
Lakota Glacier Rock Club *
Lewis & Clark Mineral Soc. *
MO Valley Gem & Mineral Club 500%
Randall Rockhounds 100%
Rosebud Geological Society 800%
Sioux Empire Gem & Mineral Society 500%
West River Earth Science Club 200%
Western Dakota Gem & Mineral *
WISCONSIN
All Wisconsin Assoc. of Earth Science Clubs *
Chippewa Valley Gem & Mineral Society 400%
Coulee Rock Club 1800%
Driftless Area Gem & Mineral Club 2300%
East Central Wisconsin Rock Club 200%
Glacial Drifters Geologic Society *
Heart of Wisconsin Gem & Mineral Society 3100%
Kenosha Gem & Mineral Soc 700%
Kettle Moraine Geology Club 1300%
LaCrosse Fossil & Mineral Club 100%
Lakeland Gem Club 2600%
Madison Comm. Ctr. Lap & Mineral *
Neville Public Museum Geology Club 1000%
Northwest Wisconsin Gem & Mineral Society 400%
Oshkosh Earth Science Club 800%
Racine Geological Society 100%
Rib Mountain Gem & Mineral Society 100%
Rock River Rockhound Club 400%
Rock River Valley Geology Club 1400%
Sheboygan Co. Rock & Mineral Club *
Valley Rock & Mineral Club 400%
Verona Rock & Mineral Club 600%
Wisconsin Geological Society 4300%
INDIANA
500 Earth Science Club 100%
Calumet Gem & Mineral Society 700%
Duneland Rock Club 700%
Eastern Indiana Gem & Geological Society *
Evansville Lapidary Society 900%
Lawrence County Rock Club 300%
Michiana Gem & Mineral Society 1100%
Muncie Rock & Gem Club *
Three Rivers Gem and Mineral Society 200%
Vigo Rock & Gem Club 1300%
IOWA
Ames Rock & Mineral Club *
Cedar Valley Rock & Mineral Society 1900%
Central Iowa Mineral Society 400%
Chicauqua Rockhound Society 4500%
Des Moines Lapidary Society 1100%
Des Moines Valley Rocks & Relics Club 2500%
Old Capitol Geological Club 100%
River Valley Rockhounds 300%
Sac & Fox Lapidary 800%
MINNESOTA
3M Prospectors Club 500%
Alexandra Gem & Mineral Club *
Anoka County Gem & Mineral Club 200%
Austin Gem & Mineral Society 200%
Bloomington Min Club 200%
Carlton County Gem & Mineral Club 100%
Cuyuna Rock, Gem & Mineral Society 400%
DL Rockhounds 200%
Geological Society of Minnesota *
Lake Superior Gem & Mineral Club 1100%
Lea Area Petra Society 100%
Little Crow Lap & Mineral Soc 500%
Mesabi Rock & Mineral Club 400%
Minnesota Mineral Club 1300%
Minnesota Valley Gem & Mineral Club 1500%
Minnowa Rock & Gem Club 4600%
New Ulm Gem & Mineral Club 1000%
Richfield Mineral Club 200%
St. Croix Rockhounds 300%
Steele Co. Gem & Mineral Club 500%
MISSOURI
Blue Ridge Gem & Min Soc. 1600%
Boeing Employees’ [McDonnell Douglas] Gem & Mineral Soc. 8300%
Central Missouri Rock & Lapidary Club 3600%
Earth Science Club of Missouri 6200%
Florissant Rock & Gem Club 100%
Heart of America Geology Club 300%
Independence Gem & Mineral Society 3600%
Kansas City Lapidary Club 200%
Mineral Area Gem & Mineral Society *
Osage Rock & Mineral Club 1100%
Ozark Mountain Gem & Mineral 500%
Pike Co. Gem & Mineral Soc 1600%
Rock Hobby Club of St. Louis 7300%
Rockwood Gem & Mineral Soc. 100%
St. Louis Mineral & Gem Soc. 1500%
Show Me Gems & Minerals Club 600%
NEBRASKA
Central Nebraksa Rock & Mineral Club *
Grand Island Earth Science Society 100%
Homestead Gem & Mineral Society 100*
Lincoln Gem & Mineral Club 2500%
Loup Valley Gem & Mineral Society 1100%
Nebraska Gem & Mineral Club 300%
NORTH DAKOTA
Lake Agassiz Rock Club 800%
Red River Valley Gem & Mineral Club *
OHIO
Akron Mineral Society 200%
Ashtabula Rock & Gem Club 1000%
Brukner Cent Gem & Min Soc 1200%
Cincinnati Mineral Society 500%
Columbus Rock & Mineral Club 200%
Dayton Gem & Mineral Society 4000%
East Ohio Lapidary Club 700%
Euclid Lapidary & Mineral Soc 600%
Fairview Park Lapidary Soc. 2400%
Fireland Geology Soc 100%
Heights Gem & Mineral Society, The 400%
Lake Erie Gem & Geological Society 2300%
Lake Shore Mineral & Lapidary Society 1300%
Licking Co. Rock & Mineral Soc. 900%
Medina Co. Gem & Mineral Club 100%
Micromineral Society of Cleveland 2800%
Miami Valley Mineral & Gem Club 6400%
Mineralogical Society of Cleveland 4000%
Parma Lapidary Club 400%
Port Clinton Earth Science Soc *
Richland Lithic & Lapidary Society 2300%
Rockport Lapidary Club 200%
Roehm Geology Club *
Stark County Gem & Mineral Club 2500%*
Stonelick Valley Gem & Mineral Soc 600%
Summit Lapidary Club 300%
The Rolling Stones *
Toledo Gem & Rockhound Club 800%
Tuscarawas Valley Gem & Mineral *
West Central Ohio Rock Club 300%