I'm not an expert at all, but I'd say:Recognize that a half minute at the radius of the circles is less than half a thousandth of an inch, so you have...

Very true for triangulation. I don't think that is a worry when you have both angle and distance accurately. Those are effectively measurements at r...

paden cash, post: 435729, member: 20 wrote: specified the vertical datum to be NAVD88. Then after turning in the work we'd get calls from the bridge d...

Holy Cow, post: 435450, member: 50 wrote: It's amazing the things that will pop into your mind about a specific job after many years. The spreadsheet...

Richard Imrie, post: 435411, member: 11256 wrote: shall be responsible for fixing any damageThat invites them to say:[SARCASM]"We put it back right wh...

Tom Adams, post: 435393, member: 7285 wrote: finally find it with the description in a totally different locations (miles away) That would be an inte...

[USER=8091]@jab5[/USER] I talked to you today, but had not previously made the connection to your posts here or realized the project might be close ...

I believe the words are "removed from the area to prevent someone from creating confusion by putting it back in the ground."I hadn't found one to repo...

LRDay, post: 434901, member: 571 wrote: section lines never change but boundaries get established by humans actions and acceptance. The deed may indic...

Ok, I'll have to back up a step and learn. What is proper geometry?

spledeus, post: 427190, member: 3579 wrote: Geometry of angles for proper traverse I don't understand this one. If you are measuring distance and an...

I believe (part of?) Michigan also uses an oblique projection.