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Mount Sopris Instruments (MSI) continues to be the world leader supplying innovative, portable digital geophysical logging systems. We build portable, user-friendly geophysical loggers and downhole probes that meet the evolving needs of the ground water, geotechnical, environmental, and natural resource communities. We have responded to customer needs with innovative products for many years.

Since 1953 Mount Sopris has delivered high quality innovative borehole geophysical logging systems in over 120 countries around the world, but what separates us from others is our commitment to customers. This long history and commitment has made us the recognized industry leader. Our leadership continues today as Mount Sopris has been selected to participate in cutting edge new technology programs with leading companies, universities, and research organizations around the world to bring the most innovative borehole geophysical instrumentation to you.