Shoreline Data Rescue Project of Pipe Island to Gravina Island, Alaska, PH148A

These data were automated to provide an accurate high-resolution historical shoreline of Pipe Island to Gravina Island, Alaska suitable as a geographic information system (GIS) data layer. These data are derived from shoreline maps that were produced by the NOAA National Ocean Service including its predecessor agencies which were based on an office interpretation of imagery and/or field surv...

本数据集通过自动化手段生成，旨在提供 Pipe Island 至 Gravina Island，阿拉斯加地区精确的高分辨率历史岸线信息，适用于地理信息系统（GIS）数据层。该数据源自美国国家海洋和大气管理局（NOAA）国家海洋服务及其前身机构所制作的岸线图，这些图基于对影像及/或现场调查资料的办公室解释所得。