Rex R. Goodrich, P.E., P.Eng.Senior Associate, Grand Junction, Colorado

    Mr. Goodrich has 20 years experience at AAI working on various aspects of underground soft rock, hard rock and solution mining as a geomechanics engineer, a numerical modeling/computer analyst and as a geologist. His experience includes site characterization, numerical modeling, resource evaluations, instrumentation, geological interpretation, hydrology and data collection related to mine design and underground stability of excavations, and planning and management of engineering and geological projects. He’s conducted stability evaluations for underground excavations in soft and hard rock, ground support design, mine subsidence, and solution mines. Experience with soft rock include longwall and room-and-pillar mining in coal, trona and salt, and design of pillars, entries and barriers. Experience with hard rock mines include designs of block caving, open stope, cut and fill, and stope and fill. His solution mining experience includes work with salt, nahcolite, potash and secondary recovery of copper. His work on stability evaluations for solution mines included examinations of cavern spacing, protection of subsurface resources, well field layout and subsidence. His geological experience includes site characterization, field data collection, resource evaluation, structural evaluation and interpretation. As of October 2014, he will serve as the Vice Chair of the SME Colorado Plateau Section.  Rex has B.S. degrees in Geology and Computer Science (Colorado Mesa Univ.), an M.S. in Mechanical Engineering and he is a registered professional engineer in Colorado and Texas and the Province of Saskatchewan.

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