Thank you all for your many enlightening remarks and reflections! Yes, the map is in (or "based on") grid bearings and ground distances. The point at...

@mightymoe Don't know what this grid is you speak of. You don't? The word is right there in the second image in my post. But let me give you a b...

@lurker Yes, I get that. But I want the instrument to measure V.dist. I'm saying that CoGo --> Compute point won't do it. What is the automatic met...

I have a question about V.dist, but first some more background. I have the instrument positioned conveniently, but not on a control point, and I'm doi...

Thank you Rover83 and RADAR! Got it! Bill93: Thank you for that reminder. I forgot to mention that I took trig in high school; it was summer schoo...

Thank you for a bit of rudimentary advise for novices on expert witness practice. As a veteran expert witness with more trial experience than nearly a...

@holy-cow My day job is expert witness work, has been for over 30 years. Your testimony is limited to answering questions, just like a percipient witn...

@holy-cow I'll give you one answer: If you testify as an expert witness (which I understand LSs do routinely), and given that old maps are often relev...

Thank you very much to you all, and especially Gary. The 528 is the Northing coordinate rounded to a kilo-foot. For small areas, the high and low valu...

Attached are two examples of complete parcel maps and the annotated assessor's parcel map. I still can't figure out what those arrow-table notations m...

Contra Costa County, California. Zone 0403.

Is it sold yet?