Event JSON
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"content": "Consolidated Standardized Survey-Grade Checkpoints 3DEP 2010 to 2017 [USGS]\n--\nhttps://www.sciencebase.gov/catalog/item/67075e6bd34e969edc59c3e7\n--\n“One of the key aspects of 3DEP data is that data is verified by a collection of certified survey-grade GNSS checkpoints spread throughout each project. These points have always been available but were difficult to find and not standardized. [The USGS] have collated and standardized almost 42,000 of these checkpoints and are making them available for other uses. These points here in this first phase span from 2010-2017, but [the USGS] are in the process of making these available for all [their] projects, and hope to enable them in different ways in the future...”\n#GIS #spatial #mapping #USGS #USA #elevation #opendata #remotesensing #LiDAR #ifSAR #3dep #3dhp #water #hydrology #3d #opendata #3dtnm #checkpoint #checkpointdigital #GNS #GPS #NGD #DEM #survey #surveygrade #accuracy #precision #calibration #digital #NGTOC #NAD83\n@USGS\n\nhttps://files.techhub.social/media_attachments/files/113/353/623/356/980/332/original/2643dc613583d864.jpg\n\nhttps://files.techhub.social/media_attachments/files/113/353/623/343/522/939/original/0f49cb4e4119a2e2.jpg\n\nhttps://files.techhub.social/media_attachments/files/113/353/623/401/073/628/original/31c26a3da20143c4.jpg\n\nhttps://files.techhub.social/media_attachments/files/113/353/623/361/765/558/original/89116f34e30be77d.jpg",
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