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Marion County 2004 color ortho imagery was provided by the Indianapolis Mapping and Geographic Infrastructure System ( IMAGIS ). The archive includes 165 GB of original-resolution TIFF images and 5.7 GB of MrSID mosaics.
Original-resolution images are available in TIFF format. You will need to build pyramids and set the spatial reference for all tiff files. MrSID mosaics are available for the nine townships and the entire Marion County area.
Coordinate System: IN State Plane East, Zone 1301 Horizontal Datum: NAD83
Pixel Resolution: 0.5 foot, International Survey Feet
Scale: 1:9600 NCS (Negative Contact Scale)
File Format: TIFF (100 MB/file)
File Format: MrSID mosaic (400-600 MB/file)
