Larry Zanko is a Senior Research Fellow for the Economic Geology Program within the Minerals, Mining and Metallurgy Initiative. He is a geological mining engineer and has been with NRRI since 1988. He has worked on a variety of research projects related to industrial, ferrous and nonferrous minerals. Areas of particular focus have included aggregates, biogeochemistry, geological data compilation, geostatistics, geological resource/mine modeling, environmental remediation, kaolin and ball clay evaluations, mining economics/tax comparisons and mineral waste characterization/utilization projects.