Top 3 alternative sites to coloradomineralsociety.org
AFMS Home Page
American Federation of Mineralogical Societies, a non-profit educational Federation of seven similar regional organization of gem, mineral and lapidary societies. Founded in 1947.
Chicago Rocks & Minerals Society
Chicago Rocks & Minerals Society, Chicago, IL - We study, disseminate, and promote interest in the earth sciences.
Colorado Prospector Club - Gem and mineral prospecting and mining information for National Forest and BLM land.
Gem and mineral prospecting and mining information for National Forest and BLM land.