• Geology

• 19.

Sepm Society for Sedimentary Geology

SEPM shares info on sedimentology, stratigraphy, paleontology & related fields.

• Geology

• 20.

Tucson Gem and Mineral Society Inc

Founded in 1946, our purpose is to encourage interest and study in geology, mineralogy, lapidary and allied earth sciences.

Association of Enviromental and Engineering Geolog

The Association of Environmental & Engineering Geologists is an international non-profit professional association of more than 3,000 geologists who specialize in engineering geology and environmental geology.

• Geology

• 22.

United States National Chapter of the International Association Of

Furthering the understanding, wise use and protection of groundwater resources throughout the world.

• Geology

• 23.

Gem & Mineral Society of Syracuse Inc

Gem & Mineral Society of Syracuse, NY GEM MINERAL SOCIETY OF SYRACUSE Inc.

MICHIGAN MINERALOGICAL SOCIETY

MMS aims to educate on, encourage, & preserve the hobby of mineral, fossils, & gem collecting.

• Geology

• 25.

Michigan Gem & Mineral Society

The Michigan Gem and Mineral Society is chartered, Non-Profit corporation.

• Geology

• 26.

Jcpds International Centre for Diffraction Data

International Centre for Diffraction Data.

• Geology

• 27.

Central Pennsylvania Rock & Mineral Club

The CPRMC, Inc. was established in 1958 by rock and mineral enthusiasts to: Encourage the interest, enjoyment, and appreciation of members, prospective members, and the public for rocks, minerals, gems, fossils, and the lapidary arts.