Category Archives: News
July 10 Harmon Lake
Come join us on July 10th, 1pm, up at Harmon Lake to learn about Cannonball Concretions. Follow 1806 north of Mandan, about 11 miles. Shelter 2.
Grit – Treasures of Sea & Earth
Treasures of Sea & Earth supply grit for your rock tumbling needs. For club discounts, please see the Member page. For more information, please check out http://treasuresofseaandearth.com/ Currently available:
400 5lb: $30.00 1lb: $6.00
600 5lb: $30.00 1lb: $6.00
46/70 5lb: $18.80 1lb: $4.00
120/220 5lb: $21.00 1lb: $4.20
Tin Oxide 5lb: $145.00 1lb: $29.00
Tripoli Powder 5lb: $18.80 1lb: $4.00
Plastic pellets 1lb: $4.20
Central Dakota Gem & Mineral Society 