This catalog of publicly available, high-accuracy elevation data for the United States and its territories is collaboratively maintained by six federal agencies. The inventory provides an important central location for information about elevation data sets and decreases duplicate data collection efforts. o Find topographic data, including lidar and IfSAR, and bathymetric data, including NOAA hydrographic surveys, multibeam data, and lidar. o View details about data sets, including vertical accuracy, point spacing, and data access information. o Investigate available data for an area of interest and share a link.