USGS DOQQ 40105C2-NW (Carter Lake, CO)
Grayscale - 1 Meter Resolution

USGS 3.75 Minute DOQQ (Digital Orthophoto Quarter Quadrangle)
Available for lower 48 states.
Partial coverage in Washington and Oregon,
exceptions covered with 7.5 Minute DOQs.

USGS 7.5 Minute DOQ (Digital Orthophoto Quadrangle)
Available in the states of Washington, Oregon and Alaska.

• Grayscale or CIR (Color InfraRed) or Both may be available.


• Active and Historical available in 1 meter resolution.


• Available Projections (selected during check-out)
  • UTM - User Selectable Zones - NAD27 / NAD83 / WGS72 / WGS84
  • State Plane - User Selectable Zones - NAD27 / NAD83
  • Latitude / Longitude - NAD27 / NAD83 / WGS72 / WGS84
  • Web Mercator - WGS84


• Available Formats
  • Standard Geotiff Format
    Plus ESRI "tfw" and MapInfo "tab" files.
  • GeoTiff Convert 24 to 8 bit-256 Color Packbits Format (CIR Only)
  • GeoTiff Convert 24 to 8 bit-256 Color Uncompressed Format (CIR Only)
  • Optional JPEG Compression
  • Optional JPEG2000 Compression


• Optional CIR to RGB Image Conversion
  Click here for details