Since Wyoming was ambiguous about US vs International feet. This was published in the federal register.

First #7 is a must as long as it is possible to do. No matter how good you think the control is or how positive you are that you have not made a mista...

@mightymoe Here is some info from Colorado. Universal Citation: CO Rev Stat § 38-52-103 (2016) (1) The plane coordinate values for a point on the...

@mightymoe Here's one from Michigan if you're interested.

@ric-moore I'm not sure I understand the purpose of your question. Would it matter if the answer was 1 state or 12 states or 0 states?

I think it is wonderful. Even with the phrase "substantially similar" there are very few instances where competence in one state is not competent in a...

@oldpacer Concept seems reasonable enough. Take a spinning ball and redistribute a significant portion of mass from a small area to all areas of the s...

@field-dog But the flange elevation on the fire hydrant is important. There are codes limiting what that elevation can be. If you were to asbuilt one ...

@oldpacer I do not know but are ALTA surveys regulated by state statutes? How did all of the states agree on the same statutory requirements? I though...

@mathteacher OK. It appears I'm screwed if someone asks me to put their data on Geographic North. How does one make the correction from Geodetic to Ge...

@mathteacher So, I see a new term for North. Geographic North. According to CHAT GPT why do we need a distinction between Geodetic North and Geographi...

which uses fixed points such as true north, south, east, and west as references OH the horrors. CHAT GPT still has not read enough to understand th...

I would say whomever the ALTA is certified to would have standing to complain or to be completely satisfied by the product. As mentioned above, it may...

@mightymoe Except that in this case the accuracy is needed and the groundwater contours will not make sense without the accuracy and the money is wast...

The industry standard for monitor well locations is 0.10 horizontal and 0.01 vertical. We have done thousands using the method you describe for vertic...

With the RTK you can do away with GCPs. You can process quicker. You can be accurate autonomously or you can enter a precise lat long and ellipsoid he...