@Norm <div>Do you count the Old Northwest Corner of Missouri? It is, admittedly, a remonumentation of the 1816 point, but was declared by the US...

In my hometown county, I would love to examine the old field books from the 1920's and 30's when roads were being regraded and graveled. In the 1980'...

I grew up in PLSSia with local directions being automatic, no need to think about it. Same is true now in the small city I now live in. But somehow th...

>"I think I understand that HARN is “very close” to SPC, so I thought I’d shoot it in SPC and convert in post." HARN is an old datum. SPC is a proj...

I once recovered a triangulation station out in a field by some fairly long measurements from reference marks. When I looked at my pictures later I re...

At the dedication.ceremony there was a Mr. Jones who worked on the crews back when they were still moving towers around for triangulation. I think tha...

The key feature of the Bilby tower was that it was two concentric tripods, with the instrument mounted on the inner one while the crew moved around on...

Shooting from the hip without proper study of your pictures. Four screws near the eyepiece end could be holding the frame of the reticle (cross hair...

I don't know if there are still any PE licensees active who this applied to, but there were PEs who were grandfathered in as allowed to do boundary su...

I'd probably pay for shipping the best Topcon of the bunch if it is likely to work. What is included?

By notarization do they mean the suveyor's seal and signature? That should have been current at that time but logically there should be no requirement...

Lat-lon is neither metric nor imperial.<div> NGS does all dustances in metric. They provide conversions to feet as a convenience to users who ar...

I have used the Trimble 4000sse or ssi and corrected the date either by text editor (watch the spacing!) or by telling TEQC with the correct -week ###...