ChartTiff Contours !!
Contours are derived from USGS 3DEP (3D Elevation Program).

USGS 10-Meter 3DEP Generated Contour

ChartTiff Contours are derived from the LATEST 10-Meter USGS 3DEP (3D Elevation Program).
ChartTiff Contour quads and custom area Contours are available in a variety of Formats and Projections for easy input into various GIS applications.
Contour Data (Contours from 3DEPs)
  • Horizontal Resolution
    10 Meter (1/3 Arc Second) resolution for Continental US

  • Vertical Resolution: 1 DeciMeter or 10 CM or approximately 4 Inches.

  • Vertical Datum: NAVD88



  • Individual Quads available in:
    • ESRI Shapefile format
    • AutoCAD (DWG & DXF) Formats

  • Available Projections
    • UTM - User Selectable Zones - NAD27 / NAD83 / WGS72 / WGS84
    • State Plane - User Selectable Zones - NAD27 / NAD83
    • Latitude / Longitude - NAD27 / NAD83 / WGS72 / WGS84
    • Web Mercator - WGS84

  • Contour Units (selected during check-out)
    • Select 5, 10, 20, 25, 30, 40, 50, 60, 80, 90, 100  Feet / Meters
    • Other Intervals available by request

  •   ChartTiff Contours are NOT available as 1 Free Download

  •   ChartTiff Contours are sold by:
  • A Shaded Elevation Models is added as an additional file.