Category: ElevationCollection: PiattSpecial Area?: NoYear: 2011LAS URL: https://clearinghouse.isgs.illinois.edu/distribute/district5/piatt/2011/piatt-las2011.zipLAS Size: 60.80 GBDTM: DownloadDTM Size: 16.50 GBDSM: DownloadDSM Size: 17.90 GBDTM Image Service: Image ServiceDSM Image Service: Image Service