Association of Applied Geochemists http://www.appliedgeochemists.org Society of Exploration Geologists http://www.segweb.org Society of Mining Metallurgy and Exploration http://www.smenet.org Geological Society of America http://www.geosociety.org Mineralogical Society of America http://www.minsocam.org  Mineralogical Association of Canada http://www.mineralogicalassociation.ca  McCrone Research Institute http://www.mcri.org  Arizona Department of Mines and Mineral Resources http://admmr.state.az.us