1 Arc-second Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloadable Data Collection

This is a tiled collection of the 3D Elevation Program (3DEP) and is 1 arc-second (approximately 30 m) resolution. The elevations in this Digital Elevation Model...本数据集为三维高程项目（3D Elevation Program, 3DEP）的分幅合集，分辨率为1角秒（约30米）。该数字高程模型（Digital Elevation Model, DEM）中的高程信息……