Description: This dataset is an digital elevation model (DEM) of Maryland's coastal counties, with Howard County included. Horizontal resolution is 1m. Vertical units are Feet. The base elevation data are sourced from the most recent county LiDAR collection available at the time of the study, with datum transformations applied from NAVD88 to tidal MHHW using corresponding NOAA tide stations as control points.Last Updated: 03/03/2025