GEOLOGICAL SOCIETY OF NEW HAMPSHIRE - Home
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American Gem Society is comprised of the top jewelers in the U.S. and Canada and offers the best gemstone and diamond information. Find top jewelers today.
We provide science about the natural hazards that threaten lives and livelihoods; the water, energy, minerals, and other natural resources we rely on; the health of our ecosystems and environment; and the impacts of climate and land-use change. Our scientists develop new methods and tools to supply timely, relevant, and useful information about the Earth and its processes.