DIGITAL ORTHOPHOTO (DOP) COVERAGE FOR COLUMBIA 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: 98 Megabytes SOURCE IMAGERY: 1992(NAPP), *1997(reformatted), *1998(reformatted), *2000(reformatted) LEAF: Off SPECTRA: Black-and-White SCALE OF SOURCE NAPP PHOTOGRAPHY: 1:40,000 RECTIFICATION SOURCE: Digital Elevation Model USAGE RESTRICTIONS: None *NOTE: The photos used in this MrSID were reformatted to NAPP specifications. Information about the original source imagery is not available.