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Flagging corners

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Matt3the0surveyor2
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It seems like most all places I go in southeast Pennsylvania don’t have flag on corners! I just don’t get it. Why not just flag it for the next guy. 


 
Posted : March 23, 2026 9:30 pm
GaryG
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I was taught early on, Use it like you're not paying for it! 


 
Posted : March 24, 2026 6:55 pm
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not-my-real-name
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We put tall stakes near the marks we set or find. The stakes do have flagging on them tied tight with no dangling tails.

We also record each map with State Plane coordinates for all of the marks we find or set.

I'm not a fan of long dangly flagging. In the forest, animals might eat them, and that would be bad.


Historic boundaries and conservation efforts.

 
Posted : March 24, 2026 8:15 pm
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Norman_Oklahoma
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Posted by: @not-my-real-name

I'm not a fan of long dangly flagging.

Nor am I. In the majority of cases it doesn't really help anyway.


 
Posted : March 24, 2026 11:36 pm
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sergeant-schultz
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I don't flag corners for "the next guy".  If I could find an unflagged corner, another surveyor should be able to find it, too.  I flag 'em for the client and her adjoiners.  If the corner's in a giant rose thicket, scads of flagging.  If in the open, not so much.


 
Posted : March 25, 2026 4:03 am
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MightyMoe
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Posted by: @sergeant-schultz

I don't flag corners for "the next guy". 

I never get payment from surveyors. I share info with other surveyors, and they share with me, but, I don't give a thought what makes it simpler for the next surveyor. I do care that it's helpful for the client. It's all about the client, they normally don't want paint, flagging, ect after the reason for the survey is completed. Leave high quality monuments and plats that make the monuments easy to recover, not for the surveyor but for the client. The flagging, paint, stakes will vanish quickly anyway. 


 
Posted : March 25, 2026 7:00 am
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Tom Bushelman
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I really like very visible property corners for all to see.  I do flag found corners hoping that the landowners and surveyors alike can more easily find what is essentially the essence of our job.  Most of my plats (95%) never get recorded so the best hope somebody has to find the corner is high visibility.


 
Posted : March 25, 2026 7:59 am
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squirl
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Posted by: @not-my-real-name

I'm not a fan of long dangly flagging.

Years ago, I worked on a pipeline project in Iowa, USA. The inspector on that specific project wanted to see 6 feet of flagging hanging off each lath (2, 3 foot legs of flagging). Mind you, we set a lath every 50 feet for our section of the project. So wasteful. He also drove the section we staked and some of the flagging wasn't long enough, so he had us go "lengthen" the flagging on each lath. Of course, all of this happened the day we were supposed to go home.

Being the "kid" I was, and looking back now, I know I responded in the wrong way but my PC got me back on track pretty quick.

 


T. Nelson - SAM

 
Posted : March 25, 2026 9:08 am
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CV-Nevada
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@squirl

It sounds to me like the inspector probably deserved your “wrong response”. Based upon your tale, I would probably presently still respond to him with at least, a big obviously disgusted ‘eyeroll’.  =:-0


 
Posted : March 25, 2026 9:47 am
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Williwaw
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I flag corners religiously but using reems of flagging is just wasteful, in the winter when it freezes, gets brittle, the first good wind will scatter it to the four corners of earth, but the knot usually remains. I sort of see it as a paying it forward thing. Those faded knots of old flagging around a dead branch have saved me many a time when I was just trying to find something to get going. 

 


Just because I'm paranoid, doesn't mean they aren't out to get me.

 
Posted : March 25, 2026 9:58 am
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squirl
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Posted by: @williwaw

I flag corners religiously but using reems of flagging is just wasteful, in the winter when it freezes, gets brittle, the first good wind will scatter it to the four corners of earth, but the knot usually remains.

I've always used the flagging with the state of Texas on it. It doesn't freeze. Well, at least in my experience it doesn't freeze. I can't speak for the places where it gets amazingly cold. I'm just speaking to Kansas, Missouri, Oklahoma, Iowa USA type of cold weather.

 


T. Nelson - SAM

 
Posted : March 25, 2026 10:04 am
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murphy
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Whether it's on a wood stake set next to the monument or a nearby tree, boundary corners get flagged thrice with blue and pink with the knots facing the corner. Less common these days, but I'll also add three hacks if there's no good reason not to.

In states that don't mandate recording retracement plats, it seems like a PLS ought to remove all doubt as to where a corner was set. I also have a theory that if it ever becomes common for PLSs to set most boundary corners at or below grade without marking them and fewer and fewer real property actually lay eyes on the monuments, the evidential weight of found monuments could be eroded.


 
Posted : March 25, 2026 10:23 am
Williwaw
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Posted by: @squirl

Posted by: @williwaw

I flag corners religiously but using reems of flagging is just wasteful, in the winter when it freezes, gets brittle, the first good wind will scatter it to the four corners of earth, but the knot usually remains.

I've always used the flagging with the state of Texas on it. It doesn't freeze. Well, at least in my experience it doesn't freeze. I can't speak for the places where it gets amazingly cold. I'm just speaking to Kansas, Missouri, Oklahoma, Iowa USA type of cold weather.

 

I'm familiar with that Texas flagging and I can tell you it is hands down the worst when temps start getting significantly below freezing. Super brittle stuff in any real cold. Often breaks when I'm trying to tie anything resembling a knot, very frustrating. Usually end up with pockets stuffed with pieces of that stuff at the end of the day.

 


Just because I'm paranoid, doesn't mean they aren't out to get me.

 
Posted : March 25, 2026 12:17 pm
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james-vianna
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@williwaw 

Try the 4mil artic flagging works well down to zero


 
Posted : March 25, 2026 5:31 pm
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Joe Ferg
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If you don't show the clients the corners, a stake with flagging will become the corner in the client's mind.


Now is the time for all good men to come to the aid of their country. Typing class 9th grade!

 
Posted : March 25, 2026 8:06 pm
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Norman_Oklahoma
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Posted by: @james-vianna

@williwaw 

Try the 4mil arctic flagging works well down to zero

Nevertheless, it is the strong sun of summer that does the most damage.  

 


 
Posted : March 25, 2026 11:37 pm
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bob-freeman
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Many of the markers that I find are not on the parcel being surveyed. Road definition bounds, original subdivision corners, etc.

I "flag" those points (on overhanging branches or brush) so that I can set my traverse up to see to them. About a 6" "tail" works fine.

The parcel being surveyed gets wooden witness stakes set next to the corners, with flagging. The owners are told the difference between the

witness stake and the actual corner.

On a different topic: We have a new surveyor working in the area that paints the corner markers (usually concrete bounds) in fluorescent pink.

I am no fan.

 


 
Posted : March 26, 2026 3:38 am
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not-my-real-name
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Whenever we see excessive flagging and paint on a corner mark, I am apt to say, 'That was done for the blind surveyors.'


Historic boundaries and conservation efforts.

 
Posted : March 26, 2026 4:58 am
BStrand
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I paint around or flag most corners I look for.  Doesn't really matter if the client sees it or not, I figure if it's marked it's less likely to be destroyed or missed and turned into a pincushion mess later on.


 
Posted : March 29, 2026 1:39 pm
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Matt3the0surveyor2
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@gary_g yea it’s crazy cause I’ve never heard a company say go easy on the flag today!


 
Posted : March 30, 2026 9:44 am
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