https://chs.coast.noaa.gov/htdata/Inundation/SLR/BulkDownload/Sea_Level_Rise_Vectors/DE/DE_slr_data_dist.zip
https://chs.coast.noaa.gov/htdata/Inundation/SLR/BulkDownload/Sea_Level_Rise_Vectors/DE/DE_slr_final_dist_HalfFoot.zip