NAT nav

About Us


Sign up for News

Sign Up Now!

Be the first to know when NAT 2020 Conference registration opens, when sponsorships become available, about new short courses and technical sessions, and much more!

About Us


The Underground Construction Association of SME (UCA of SME) welcomes you to the NAT Conference and Nashville, Tennessee.

About SME

The Society for Mining, Metallurgy & Exploration Inc. (SME) is a professional society (nonprofit 501(c)(3) corporation) whose more than 15,000 membership represents all professionals serving the minerals industry in more than 100 countries. SME members include engineers, geologists, metallurgists, educators, students and researchers. SME advances the worldwide mining and underground construction community through information exchange and professional development. SME's staff is located in Englewood, Colorado.

Become a Member of SME

SME members are among the most educated, tenured and successful professionals in the minerals, tunneling and underground construction industries. As a member of SME and UCA of SME, you have access to more than 15,000 top professionals across 100 countries who can help your career skyrocket. Visit to learn more about SME's various membership opportunities.

SME members receive discounted pricing on conference registration. Become a member today to take advantage of this and many more benefits such as discounts in the SME bookstore, a free subscription to Tunneling & Underground Construction (T&UC) and Mining Engineering, daily access to the tunnel demand forecast, unlimited access to OneMine and OneTunnel, and much more.

Become a Member and Save!