💧🌏 Greg Cocks<p>Consolidated Standardized Survey-Grade Checkpoints 3DEP 2010 to 2017 [USGS]<br>--<br><a href="https://www.sciencebase.gov/catalog/item/67075e6bd34e969edc59c3e7" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sciencebase.gov/catalog/item/6</span><span class="invisible">7075e6bd34e969edc59c3e7</span></a><br>--<br>“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...”<br><a href="https://techhub.social/tags/GIS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GIS</span></a> <a href="https://techhub.social/tags/spatial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spatial</span></a> <a href="https://techhub.social/tags/mapping" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mapping</span></a> <a href="https://techhub.social/tags/USGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>USGS</span></a> <a href="https://techhub.social/tags/USA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>USA</span></a> <a href="https://techhub.social/tags/elevation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>elevation</span></a> <a href="https://techhub.social/tags/opendata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opendata</span></a> <a href="https://techhub.social/tags/remotesensing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>remotesensing</span></a> <a href="https://techhub.social/tags/LiDAR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LiDAR</span></a> <a href="https://techhub.social/tags/ifSAR" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ifSAR</span></a> <a href="https://techhub.social/tags/3dep" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>3dep</span></a> <a href="https://techhub.social/tags/3dhp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>3dhp</span></a> <a href="https://techhub.social/tags/water" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>water</span></a> <a href="https://techhub.social/tags/hydrology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hydrology</span></a> <a href="https://techhub.social/tags/3d" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>3d</span></a> <a href="https://techhub.social/tags/opendata" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opendata</span></a> <a href="https://techhub.social/tags/3dtnm" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>3dtnm</span></a> <a href="https://techhub.social/tags/checkpoint" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>checkpoint</span></a> <a href="https://techhub.social/tags/checkpointdigital" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>checkpointdigital</span></a> <a href="https://techhub.social/tags/GNS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GNS</span></a> <a href="https://techhub.social/tags/GPS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GPS</span></a> <a href="https://techhub.social/tags/NGD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NGD</span></a> <a href="https://techhub.social/tags/DEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DEM</span></a> <a href="https://techhub.social/tags/survey" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>survey</span></a> <a href="https://techhub.social/tags/surveygrade" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>surveygrade</span></a> <a href="https://techhub.social/tags/accuracy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>accuracy</span></a> <a href="https://techhub.social/tags/precision" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>precision</span></a> <a href="https://techhub.social/tags/calibration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>calibration</span></a> <a href="https://techhub.social/tags/digital" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>digital</span></a> <a href="https://techhub.social/tags/NGTOC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NGTOC</span></a> <a href="https://techhub.social/tags/NAD83" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NAD83</span></a><br>@USGS</p>