Port Alexander, Alaska 1/3 arc-second MHW Coastal Digital Elevation Model

NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the...美国国家海洋和大气管理局（National Oceanic and Atmospheric Administration，NOAA）下属的国家地球物理数据中心（NGDC）正构建高分辨率数字高程模型（DEMs），以作为……的一部分，为各沿海州提供支持