RECOVER MAP 3.1.3.1 Water Conservation Area 2 & 3 Elevations
收藏DataONE2022-10-07 更新2024-06-08 收录
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The U. S. Geological Survey (USGS) Airborne Height Finder (AHF) system was used to perform topographic surveys in Water Conservation Areas 2 and 3A. The AHF is a helicopter-based instrument that uses a GPS receiver, a computer, and a mechanized plumb bob to make measurements.
创建时间：
2022-10-07
