4 ms·
The Bolts That Drive Manhattan’s Infrastructure Nerds Nuts
- 57FkMytWjyFu 4y agoHere's a link for those that refuse to use facebook. https://www.atlasobscura.com/articles/the-hidden-bolts-that-drive-manhattans-infrastructure-nerds-nuts https://www.atlasobscura.com/articles/the-hidden-bolts-that-...
- CaliforniaKarl 4y agoThis is cool! That led me to reading the Wikipedia page on Survey markers[0], and thence to both the USGS National Geodetic Survey Data Explorer[1] and scaredycatfilms' NGS Benchmark Viewer[2]. On both sites I was able to find some markers not far from where I work, and I'm making plans to check them out. [0] https://en.wikipedia.org/wiki/Survey_marker https://en.wikipedia.org/wiki/Survey_marker [1] https://geodesy.noaa.gov/NGSDataExplorer/ https://geodesy.noaa.gov/NGSDataExplorer/ [2] http://benchmarks.scaredycatfilms.com/index.php http://benchmarks.scaredycatfilms.com/index.php