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

Bay de Noc Gem & Mineral Club 700%

Blossomland Gem & Mineral Club 600%

Blue Water Lapidary Society 100%

Cass River Gem & Mineral Society 100%

Central Michigan Lapidary & Mineral Society 1100%

Copper Country Rock & Mineral Club 200%

Flint Rock & Gem Club 100%

Grand Rapids Mineral Society 1200%

Grand Traverse Rock & Mineral Club 100%

Huron Hills Lapidary & Mineral Society 300%

Indian Mounds Rock & Mineral Club 400%

Ishpeming Rock & Mineral Club 1100%

Kalamazoo Geological & Mineral Society 900%

Livingston Gem & Mineral Society 100%

Michigan Gem & Mineral Society 700%

Michigan Geology & Gemcraft Society 2900%

Michigan Mineralogical Society 100%

Midwest Faceters Guild *

Midwest Mineralogical & Lapidary

  Society of Dearborn *

Oakland County Earth Science Club 200%

Roamin Club, The 100%

Rock Exchange Club of Garden City 1300%

Shiawassee Valley Rock & Gem Club 100%

State Line Gem & Mineral Society 100%

Stonehead Lapidary & Mineral Club 300%

Tri-County Rocks & Mineral Society 600%

Tulip City Gem & Mineral Club 1100%

Wonderland Rock Club 1600%

  

SOUTH DAKOTA

Corn Palace Rock Club *

Randall Rockhounds 100%

Rosebud Geological Society 200%

Sioux Empire Gem & Mineral Society *

 

WISCONSIN

Chippewa Valley Gem & Mineral Society *

Coulee Rock Club 1300%

Driftless Area Gem & Mineral Club 1500%

Glacial Drifters Geologic Society *

Heart of Wisconsin Gem & Mineral Society 200%

Neville Public Museum Geology Club 800%

Northwest Wisconsin Gem & Mineral Society 300%

Oshkosh Earth Science Club 200%

Racine Geological Society 200%

Wisconsin Geological Society 1000%

 

INDIANA

500 Earth Science Club 700%

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

Anoka County Gem & Mineral Club 100%

Austin Gem & Mineral Society 100%

Carlton County Gem & Mineral Club *

Cuyuna Rock, Gem & Mineral Society 400%

Lake Superior Gem & Mineral Club 100%

Minnesota Mineral Club 200%

Minnesota Valley Gem & Mineral Club 100%

Minnowa Rock & Gem Club 4600%

Richfield Mineral Club *

St. Croix Rockhounds 100%

 

MISSOURI

Boeing Employees’ [McDonnell Douglas] Gem & Mineral Soc. 3400%

Central Missouri Rock & Lapidary Club 100%

Earth Science Club of Missouri *

Florissant Rock & Gem Club 100%

Independence Gem & Mineral Society *

Show Me Gems & Minerals Club 200%  

  

NEBRASKA

Grand Island Earth Science Society 300%

Lincoln Gem & Mineral Club 100%

Loup Valley Gem & Mineral Society 500%

  

 NORTH DAKOTA

Lake Agassiz Rock Club 100%

 

OHIO

Columbus Rock & Mineral Club *

Dayton Gem & Mineral Society 500%

East Ohio Lapidary Club 700%

Heights Gem & Mineral Society, The 200%

Lake Erie Gem & Geological Society *

Lake Shore Mineral & Lapidary Society 300%

Micromineral Society of Cleveland 1400%

Mineralogical Society of Cleveland 5800%

Parma Lapidary Club 1600%

Richland Lithic & Lapidary Society 200%

Rockport Lapidary Club 200%

Stark County Gem & Mineral Club *

Summit Lapidary Club 300%

Toledo Gem & Rockhound Club 800%