2021 Potomac River Phase 2 Topobathymetric Lidar Validation – USGS Field Survey Data

U.S. Geological Survey (USGS) scientists conducted field data collection efforts between September 30th and October 9th, 2021 over a large stretch of the Potomac...美国地质调查局（U.S. Geological Survey, USGS）的科研人员于2021年9月30日至10月9日期间，针对波托马克河的大片河段开展了野外数据采集工作……