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What does NJGM stand for?

NJGM stands for North Jeffco Gems and Minerals


This definition appears very frequently

Samples in periodicals archive:

The North Jeffco Gem and Mineral Club promotes interest in minerals, gems, rocks and fossils. It also tries to improve and expand the use of outdoor resources and to...
lapidary and fossil clubs of the Greater Denver Area Gem and Mineral; North Jeffco Gem and Mineral Club; the preservation of fossils, minerals...
Bob Loeffler, webmaster of North Jeffco Gem & Mineral Club, Arvada, Colorado wrote: I think this contest is a great idea because it might help push clubs to create a...
Rice Northwest Museum of Rocks and Minerals; North Jeffco Gem & Mineral Club; © 2015 Greater Denver Area Gem & Mineral Council.