Category: ElevationCollection: UnionYear: 2011Metadata: https://clearinghouse.isgs.illinois.edu/distribute-west/union/2011/union_2011_metadata.xmlStatus: AvailableDerivatives URL: https://clearinghouse.isgs.illinois.edu/distribute-west/union/2011/union2011.zipDerivatives Size: 4.50 GBLAS URL: https://clearinghouse.isgs.illinois.edu/distribute-west/union/2011/union-las.zipLAS Size: 20.50 GBTile Index: https://clearinghouse.isgs.illinois.edu/distribute-west/union/2011/union_tile_index.zipVendor: Wilson and Co.Funding: USACEUSGSQuality Level: 3Special Area?: No