2020 Niobrara River Topobathymetric Lidar Validation – USGS Field Survey Data

U.S. Geological Survey (USGS) scientists conducted field data collection efforts between August 17th and 28th, 2020 over a large stretch of the Niobrara River in...美国地质调查局（U.S. Geological Survey, USGS）的科研人员于2020年8月17日至28日期间，针对尼奥布拉拉河的大片河段开展了野外数据采集工作……