About CirTerra
Founded in 2002, CirTerra is a Geographic Information Systems (GIS) services and consulting company. GIS have proved their usefulness and power over the years in organizations as varied as governmental entities, engineering and environmental firms, retail or even non-profit groups. Companies that have embraced GIS discover its power of integration and visualization allowing better comprehension of patterns difficult to see in traditional tabular formats.

CirTerra’s expertise includes projects in various fields:
- Data conversion (CAD to GIS)
- Mining and synthesis of data
- Aerial photography
- Satellite imagery
- Map production
- Ground penetrating radar (GPR)
- Natural resources planning
- Land use
- GPS data acquisition
- Forestry
- Economic data analysis
- Map printing services
- Scanning services
- GIS implementation
- GIS application development
- GIS project management
- On-Call support.
CirTerra uses the latest technologies in GIS including ortho-rectified aerial photographs and satellite imagery when needed for the application.
The map below features three layers of information. The definitions of this data is as follows:
- A. Hill shaded relief with polygon information. This polygon information represents water providers along the front range Denver Metropolitan Area
- B. This area features the original hill shaded relief data and polygon data with the Interstates and highways overlaid
- C. In this area we see the hill shaded relief again with the addition of the frontage roads, secondary roads, and the surface water with drainage.
- D. In this area we see the hill shaded relief with the river and lake drainage structure.

