I think that they divide the State Plane coordinate by the combined factor, but your point is well-made. The process must work, else there would be lo...

Same here, but it must work. They sure keep building roads!

Correct me if I'm mistaken, but isn't the discrepancy between what surveyors in the field see and the scaled distances that they collect the primary r...

Can't disagree with that. In Dr, Ghilan's September 2013 article, achieved 1:9,400 precision using raw measurements and 1:36,000 using fully-adjusted ...

I hear you. If the earth's surface would only comply, calculations and measurements would always agree perfectly. That not being the case, we have to ...

The data does seem a bit sloppy. I first looked at this example in detail last July. I had trouble deciphering the notes and finally calculated the az...

Here's a link to the Google Earth help page on coordinate systems.Hope it helps.