Resource Technologies Corporation is an independent research, development, and technical services firm with offices located in State College, Pennsylvania and Boulder, Colorado. Our staff includes professional real estate, business, machinery and mineral appraisers, as well as licensed (certified) professional geologists and mapping personnel. RTC specializes in the appraisal of coal, oil & gas, aggregate material, and specialty mineral businesses and assets, among many others. RTC also provides digital mapping services, geographic information system (GIS) development, expert witness testimony, land and industrial site appraisals, and much more! RTC’s appraisal personnel developed sophisticated valuation models for the appraisal of mineral operations and mineral reserves. These models combine the power of digital mapping with modern databases to provide unparalleled analytical capabilities. RTC also assists many local and state agencies in mass appraisal of mineral assets for tax purposes.