Category: ElevationCollection: JohnsonYear: 2012Status: AvailableDerivatives URL: https://clearinghouse.isgs.illinois.edu/distribute-east/johnson/2012/johnson2012.zipDerivatives Size: 11.80 GBLAS URL: https://clearinghouse.isgs.illinois.edu/distribute-east/johnson/2012/johnson-las.zipLAS Size: 15.80 GBTile Index: https://clearinghouse.isgs.illinois.edu/distribute-east/johnson/2012/johnson_tile_index.zipVendor: Merrick and Co.Funding: IDOTQuality Level: 3Special Area?: No