Established in 1993, Geologic Data Systems has pioneered the ongoing evolution of digital geologic mapping. Based in Denver, Colorado this independently owned company has produced digital geologic maps for a wide variety of clients in many fields. Our staff is comprised of a team of professional geologists, geographers and cartographers with years of experience in geologic interpretation and the creation of effective GIS products. While the majority of our customers are in the exploration fields, we also provide data to government agencies, universities and NGOs.