← All posts

— Tag

#local-grid

1 post tagged local-grid.

#crs (4) #gotchas (3) #field-workflow (2) #qc (2) #cost-and-roi (1) #data-centers (1) #datum (1) #fieldintel (1) #landledger (1) #local-grid (1) #market (1) #mobile (1) #pnezd (1) #product-tour (1) #re-visit (1) #row (1) #state-plane (1) #transmission (1) #verification (1)
— crs

Local-Grid Coordinates: When 'Northing 5000, Easting 5000' Means Nothing

Older boundary surveys often use an arbitrary office origin instead of a real coordinate datum. The PNEZD looks fine. The numbers add up. But there's no way to put those points on a map without a ground-truth anchor. Here's how to recognize a local-grid archive, what you can and can't do with it, and how to pull it into a real CRS when you have to.

May 2026 · 7 min read

Get new posts in your inbox

Roughly weekly. No filler. Unsubscribe with one click.