In Iowa the assessor shows gross and net-of-road acres for non-subdivision parcels and only taxes the net. In a subdivision the road is dedicated to t...

For sum of chords, we have 40 chords of 100 ft making 80?ø.?ÿ Then 1?ø 34' is another 78.33 ft chord. So station is 17939+61.53

That's what I get using RR curve definition of degree to radius, but applying arc length, not RR sum of chords (which will take further calculation).

Nate said In this area, theta is close to 55" per mile. (EW) which is what got me thinking about SPC, as I think that is a common term there.

I needed to mark the high and low spots on our kitchen floor as I worked at applying leveling compound before the tile, and wore out an old marker.?ÿ ...

She should have dumped a load of rock on the eroding creek bank and never got into a conflict with the RR. I don't see any discussion of whether the ...

SPC convergence can be that large at about any latitude if you are far from the standard line of the projection.

Did a HS senior ever think Dad was cool? And if he did, he probably wouldn't say cool now.?ÿ It's so 1970's.?ÿ There has to be a new word.

That's a duplicate post to which I replied on page 2.

OPUS measurements of marks with NGS data sheets does NOT change their NAVD88 values.?ÿ The OPUS measurements are to help build a new 2022 datum that t...

Yes, there are a few marks that used VERTCON and were not part of the NGVD29 to NAVD88 master readjustment. Relatively very few. What is one of the P...

NGS didn't use "interpolated" values.?ÿ They used the original observations, also including newer data with the old, and re-did the network fitting an...

Many states require that when a property survey sets a monument, or finds a material discrepancy versus prior record, that the plat be deposited in an...

I added some more bearings and distances to my file, and get 69.941, 127.718, and?ÿ 57.777 all close enough to your numbers. But I can't close the lo...

I just looked at the sketch at first.?ÿ Seeing now that those are design values and not measurements, then the design value for your distance can be t...

I agree, getting 57.778 ft, but am a bit nervous about expressing it so precisely given even foot inputs.

Welcome back after 2.5 years. I'm on my phone-may check calcs when at desk.