Digital Data Services, Inc. offers 300 meter Digital Elevation Models, a compilation of data from a variety of existing high-precision datasets such as LiDAR data, contour maps, and other sources which were reorganized and combined into a seamless dataset. This 300 meter dataset is perfect for generate shaded relief maps or performing elevation analysis on a wide coverage area. The 300 meter DEM product covers all of the United States and can be ordered by the entire United States.