Topography data from the Elwha River delta, Washington, January 2015

This part of the data release presents topography data from the Elwha River delta collected in January 2015. Topography data were collected on foot with global navigation satellite system (GNSS) receivers mounted on backpacks.本次数据发布的此部分展示了2015年1月采集的埃尔瓦河三角洲地形数据。该地形数据通过徒步采集的方式获取，采集过程中将全球导航卫星系统（GNSS）接收机搭载于背包之上。