DIGITAL ORTHOPHOTO (DOP) COVERAGE FOR DOUGLAS COUNTY ----------------------------------------------------- FORMAT: MrSID (Multi-Resolution Seamless Image Database) PRODUCER OF ORIGINAL DOP: US Geological Survey CUSTODIAN OF ORIGINAL DOP: US Geological Survey INTENDED DISPLAY SCALE: 1:12,000 GROUND RESOLUTION: 1-Meter Pixels PROJECTION: Wisconsin Transverse Mercator (WTM) HORIZONTAL DATUM: NAD83, 1991 Adjustment (HPGN, or HARN) ACCURACY: + or - 10 Meters FILE SIZE: 217 Megabytes SOURCE IMAGERY: 1996, 1997, and 1998 National Aerial Photography Program (NAPP) LEAF: Off SPECTRA: Black-and-White SCALE OF SOURCE NAPP PHOTOGRAPHY: 1:40,000 RECTIFICATION SOURCE: Digital Elevation Model USAGE RESTRICTIONS: None *NOTE: Currently GIS Services does not have complete coverage of Douglas County. The MrSID file will be updated when complete coverage is obtained.