Details for Benchmark: AD9256

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In MONTEZUMA county, CO
view original datasheet

N 36° 59.938 W 109° 02.710  (NAD 83)
Altitude: 4866
Coordinates may not be exact. Altitude is GPS OBS and location is ADJUSTED. (more info)

Designation: CO UT AZ NM
Marker Type: boundary marker disk
Setting: mat foundation, concrete slab, etc.
Stability: May hold, but of type commonly subject to surface motion.

Reference Points
GO0510

Nearest:Benchmarks, Geocaches

11/17/2009	AirborneSurveyor found AD9256 (NGS Benchmark)		[visit log]
Found this on a +3k road trip after I got back from Afghanistan on the 4th of November. So far hit 3 caches in CO (Pikes Peak), 3 caches in UT, 3 caches in NV (Las Vegas), 7 in AZ (here, Grand Canyon, Petrified Fores)t. Hit 2 today in NM. This will mark off 5 states that I have not cache in on my way back home to Louisiana. Everyone knows the most direct route to LA from Fort Riley, KS is CO, UT, NV, AZ, NM, OK, and TX... right? [This entry was edited by AirborneSurveyor on Thursday, November 19, 2009 at 4:00:32 AM.]
Photos: Me at the Benchmark Guard Dog at the Benchmark GPS at the Benchmark
10/13/2009	Nov64 found AD9256 (NGS Benchmark)		[visit log]
pritzen and I are on our way to Las Vegas via GeoCoinFest ~ Utah, Colorado, New Mexico, Arizona, with stops at Arches National Park, Four Corners, North Rim Grand Canyon, and Zion National Park ..... Saw this benchmark at Four Corners =)
Photos: GCF-WG09-330
9/26/2009	ezfool found AD9256 (NGS Benchmark)		[visit log]
this may be the most well known and viewed benchmark
9/19/2009	O&E found AD9256 (NGS Benchmark)		[visit log]
Found! We guessed that this benchmark was in the database so we took a photo.
Photos: AD9256 Closeup
9/10/2009	pjpreb found AD9256 (NGS Benchmark)		[visit log]
Found while finding the cache
8/12/2009	dortz found AD9256 (NGS Benchmark)		[visit log]
Found this while GeoCaching. Found another disc nearby.
Photos: FourCorners
7/25/2009	redriderz found AD9256 (NGS Benchmark)		[visit log]
Visiting the corner with the GS Troop.
7/24/2009	Megadrile found AD9256 (NGS Benchmark)		[visit log]
Eay grab while at the main sight!
7/23/2009	Flying Limey found AD9256 (NGS Benchmark)		[visit log]
Spotted this while we were at the main attraction.
7/23/2009	Outback Annie and Chimu found AD9256 (NGS Benchmark)		[visit log]
Found it.
7/23/2009	mrbrit found AD9256 (NGS Benchmark)		[visit log]
Logging this one a little in arrears... Picture is attached of the MrBrit crew at the benchmark! What a hot day! MrBrit & Co
Photos: Four corners feet and bench mark The benchmark
7/21/2009	lemom16 found AD9256 (NGS Benchmark)		[visit log]
Found it while visiting the monument.
7/21/2009	lemon16 found AD9256 (NGS Benchmark)		[visit log]
found it
7/21/2009	ledad16 found AD9256 (NGS Benchmark)		[visit log]
Found with lemom16, lemon16 and Polarbear#2. I guess this one was pretty hard to miss!
Photos: The famous benchmark
7/19/2009	5daughters found AD9256 (NGS Benchmark)		[visit log]
awesome
Photos: 5d's at 4corners
7/17/2009	flgAZ found AD9256 (NGS Benchmark)		[visit log]
Hard not to miss, probably the most unlonely benchmark on the planet!
7/16/2009	AZTech found AD9256 (NGS Benchmark)		[visit log]
Found in great shape, as described.
Photos: AD9256
7/3/2009	"The Bearclaws" found AD9256 (NGS Benchmark)		[visit log]
This one turned up in a couple of my photos.
6/29/2009	bubblefeast found AD9256 (NGS Benchmark)		[visit log]
Found it just fine.
6/20/2009	aabyrd found AD9256 (NGS Benchmark)		[visit log]
We had a fun time finding this one. And a fun time shopping around. My sons decided they wanted to be Indians while they were here. Later in the day they switched to wanting to be cowboys.
Photos: Fun at the four corners
6/16/2009	COpackrat found AD9256 (NGS Benchmark)		[visit log]
Interesting marker with the four states marked.
5/30/2009	riston2 found AD9256 (NGS Benchmark)		[visit log]
Great place here! Put my coin in all four states.
Photos: Coin on Monument
5/27/2009	NorthWes found AD9256 (NGS Benchmark)		[visit log]
Found as described. Took the requisite photos - enjoyed the monument (few visitors, even fewer vendors) - moved on to Cortez CO.
Photos: AD9256 CO UT AZ NM 1992 (CLOSEUP) MONTEZUMA CO, CO NorthWes' Traveling Wolf Geocoin (2006 Alaska Geocoin) in the photo with the mark.
5/24/2009	worldlyredneck found AD9256 (NGS Benchmark)		[visit log]
Found It!!!
5/16/2009	Lord Mot found AD9256 (NGS Benchmark)		[visit log]
Visited the Four Corners today with hjnielsen and Nielsenc.
4/21/2009	JBAndersen posted a note for AD9256 (NGS Benchmark)		[visit log]
I've had this picture for awhile. Just thought this would be a good place to display it.
Photos: four corners
4/16/2009	celtcenturion found AD9256 (NGS Benchmark)		[visit log]
Always wanted to find this place. It was on my list of MUST SEEs.
Photos: Our hero poses with Stan Check the other log for this info
3/16/2009	uintahiker found AD9256 (NGS Benchmark)		[visit log]
Found this along with the virtual geocache at the location.
2/1/2009	accordiongal found AD9256 (NGS Benchmark)		[visit log]
Found
10/15/2008	QuFdNiM found AD9256 (NGS Benchmark)		[visit log]
We visted Four Corners on our way to California. Bought a bunch of handmade goodies and most of all, had some fun running around in a circle from state to state to state to state.
Photos: Four Corners Our visit to Four Corners on our way to California.
9/30/2008	polecat42 found AD9256 (NGS Benchmark)		[visit log]
Stopped by Four Corners Monument on a Road Trip West with my wife.
Photos: AD9256 polecat42
9/27/2008	speg found AD9256 (NGS Benchmark)		[visit log]
Hard to miss.
9/21/2008	AD0OR found AD9256 (NGS Benchmark)		[visit log]
Found
9/13/2008	csparks78 found AD9256 (NGS Benchmark)		[visit log]
Very cool! Got virtual here too. First time I've been here. [This entry was edited by csparks78 on Tuesday, October 14, 2008 at 5:49:41 PM.]
Photos: Me at 4 corners benchmark / monument
9/7/2008	Frazer found AD9256 (NGS Benchmark)		[visit log]
This one really is hard to miss. I visited the monument and the virtual cache. The benchmark is in good shape; I'd wish the same would be true for the educational signs nearby.
Photos: The marker
8/28/2008	Peter and Gloria found AD9256 (NGS Benchmark)		[visit log]
A very easy benchmark to find.
Photos: 4 corners benchmark gloria at 4 corners nearby GPS toilets
8/13/2008	Narniaexpert found AD9256 (NGS Benchmark)		[visit log]
Interesting location. I could not believe that they would charge for people to go here. This is basically a tourist trap where you pay to get in and then there are indians trying to sell you stuff 360 degrees around you. I brought a few travel bugs with me so that they can log four states at once. The thing that I did not like about this Indian reservation is that they view them selves at "The Navajo Nation". There is no such thing as a Navajo Nation. They are part of the United States of America not their own nation. I think that this is not right. I am not trying to sound racial against them, but If they are going to live in America they should call them selves Americans. The other thing that I saw was that they had a US Flag covered over with an Indian carying a gun. TFTvC.
8/3/2008	king.hubi found AD9256 (NGS Benchmark)		[visit log]
Visited the Four Corners Monument today with my family. This is definetly the number one of our benchmark finds. King Hubi and Family
Photos: AD9256 - CO UT AZ NM [closeup] AD9256 - CO UT AZ NM [closeup with GPS unit] Me and Pelé sitting in four States
8/3/2008	Kiersolvd found AD9256 (NGS Benchmark)		[visit log]
I found this new BM that replace the old one along with lots of other people here today.
Photos: the benchmark
7/22/2008	Zop found AD9256 (NGS Benchmark)		[visit log]
Only spot I know of where you get to stand in six places at once AND get the T-shirt to prove it!
Photos: At GZ. Prep that shot!
7/20/2008	TeamBosch found AD9256 (NGS Benchmark)		[visit log]
Found it while doing the virtual cache here.
7/16/2008	MacMama found AD9256 (NGS Benchmark)		[visit log]
Recovered in good condition. Found the benchmark with macdonr.
Photos: MacMama at Four Corners
7/16/2008	macdonr found AD9256 (NGS Benchmark)		[visit log]
Recovered in good condition. Found the benchmark with MacMama.
Photos: macdonr at Four Corners
7/10/2008	Melusine found AD9256 (NGS Benchmark)		[visit log]
We made a day trip from Page (AZ) to Monument Valley and visited the Four Corners on our way back
Photos: Four Corners Benchmark
7/7/2008	halffast found AD9256 (NGS Benchmark)		[visit log]
Good condition
Photos: Co Ut Az Nm
7/1/2008	Relic Hounds found AD9256 (NGS Benchmark)		[visit log]
got this while doing a virtual at the same location
6/3/2008	Billy Goatee found AD9256 (NGS Benchmark)		[visit log]
Visiting here while spending a few days in Mesa Verde.
5/25/2008	Team Laxson found AD9256 (NGS Benchmark)		[visit log]
Yep, it's still there!
3/27/2008	tumblebears found AD9256 (NGS Benchmark)		[visit log]
My first benchmark!
3/19/2008	TwoMarsRAs found AD9256 (NGS Benchmark)		[visit log]
Our first benchmark. Always wanted to visit this one!
3/9/2008	Ut-hdog found AD9256 (NGS Benchmark)		[visit log]
Found! Goal 1 for 2008 Completed.
Photos: Southern Utah March Geocaches 2008 171.jpg
11/1/2007	TR1Hemi found AD9256 (NGS Benchmark)		[visit log]
Was here in 1976, cool to be in 4 States at the same time!
10/20/2007	samiller71 found AD9256 (NGS Benchmark)		[visit log]
Found during a windy, dusty day.
8/4/2007	dezert dawg found AD9256 (NGS Benchmark)		[visit log]
An extra bonus to log in the benchmark -- as I had wanted to see the "4 Corners Monument" anyway!! (#429)
7/27/2007	Grasshoppers&Ant found AD9256 (NGS Benchmark)		[visit log]
one-of-a-kind marker, but had to pay $3 ea to see it! Trivia question: why isn't it at N37°,W109°?
Photos: FC BM
7/18/2007	Terza found AD9256 (NGS Benchmark)		[visit log]
Was here to check out 4-corners and ran into some other geocachers in the parking area who told us there were benchmarks out here, so we found two of them.
7/18/2007	DopeyDuck found AD9256 (NGS Benchmark)		[visit log]
Quick and easy. Not too crowded today at the monument either.
Photos: Close-up of the disk
7/10/2007	MadBennies found AD9256 (NGS Benchmark)		[visit log]
Hot & windy, but fun to stand in 4 states at once!
7/3/2007	Rotorootie found AD9256 (NGS Benchmark)		[visit log]
Found this benchmark while finding a virtual cache at this site...
Photos: Four Corner Benchmark
6/29/2007	Legoboyz found AD9256 (NGS Benchmark)		[visit log]
I see that I should have logged this one as a find instead of the other one that was destroyed in 1992.
6/25/2007	Wheelers of Fortune found AD9256 (NGS Benchmark)		[visit log]
In great condition. Loved being in 4 states at once.
6/22/2007	kingbee found AD9256 (NGS Benchmark)		[visit log]
nice spot
5/12/2007	Woersy & Bianca found AD9256 (NGS Benchmark)		[visit log]
found this one on their trip in the USA
Photos: IMG_1219.JPG
5/7/2007	Die Asbacher Bande found AD9256 (NGS Benchmark)		[visit log]
#275# Oma & Opa did this one on their holidays in the USA. T4TB sagt Die Asbacher Bande
Photos: Oma on the Benchmark... Die 4 Länder...
4/19/2007	BantamC found AD9256 (NGS Benchmark)		[visit log]
Had to see this while on a move from Green Bay to Prescott, Az.
4/5/2007	hjnielsen found AD9256 (NGS Benchmark)		[visit log]
Nice
3/10/2007	pillager1 found AD9256 (NGS Benchmark)		[visit log]
Was here in my youth. Very cool benchmark. Was found as described.
3/10/2007	gooftroop4 found AD9256 (NGS Benchmark)		[visit log]
Coolest benchmark we've found so far.
12/31/2006	teamCull found AD9256 (NGS Benchmark)		[visit log]
We were here during early June, before we started doing geocaches and benchmarks. Going through some photos for 2006 and noticed this was a benchmark, so we decided to put this one on our found list since we have photos of us standing all over it.
12/27/2006	tallglenn found AD9256 (NGS Benchmark)		[visit log]
First benchmark - didn't know what a benchmark was!
Photos: co4corners1.jpg
12/20/2006	GermanSailor found AD9256 (NGS Benchmark)		[visit log]
Found it, did some push-ups in 4 states...
12/19/2006	iceladee found AD9256 (NGS Benchmark)		[visit log]
Hubby and I were visiting our son. 4 Corners was only an hour away. So glad we went, beautiful country, but so cold and windy in Dec. Snowed on the way there, it was beautiful.
Photos: Iceladee at 4 Corners 4 Corners Benchmark 12/19/06
11/25/2006	shakaduo found AD9256 (NGS Benchmark)		[visit log]
one of the easier benchmarks found shakaduo hangloose
10/27/2006	chinookcapt found AD9256 (NGS Benchmark)		[visit log]
Four Corners
Photos: Four Corners
9/29/2006	Ramblin Ramsey's found AD9256 (NGS Benchmark)		[visit log]
Another one.
9/25/2006	TracksAll & Will Ketchum found AD9256 (NGS Benchmark)		[visit log]
Since the original is missing, I guess this one is it! Ranger TracksAll & Investigator I WIll Ketchum From Virginia
Photos: Four states in one - Incredible Benchmark Benchmark Interp Sign
9/15/2006	bhr1630 found AD9256 (NGS Benchmark)		[visit log]
Found this mark today in excellent condition. Coords are right on. Can't miss this one. I would like to note that there is a reference mark pointing right @ this mark about 50 feet northwest of the mark in the middle of the gravel road. Is it possible the original disk was part of a triangulation station ? The name on the mark was not legible so it is hard to know for sure. I will post pictures soon.
Photos: Four Corners Benchmark.jpg Four Corners Ref Mark.jpg Four Corners Ref Mark Pic 2.jpg
9/10/2006	GrizzFlyer found AD9256 (NGS Benchmark)		[visit log]
Found in good condition today surrounded by tourists. Took several pix.
Photos: 4Corners
8/29/2006	evelbug found AD9256 (NGS Benchmark)		[visit log]
Found this while on vacation.
Photos: Rik and Kristi at Four Corners
8/20/2006	quietbreezes found AD9256 (NGS Benchmark)		[visit log]
almost forgot to log this found while doing 4 corners
8/15/2006	go_pokes found AD9256 (NGS Benchmark)		[visit log]
Great benchmark. Found with a bunch of family on vacation.
8/15/2006	appytr found AD9256 (NGS Benchmark)		[visit log]
On vacation, it does not get any easier than this. Michigan Geocaching Organization\ (visit link) USGS Benchmark Recovery Entry\ (visit link) [This entry was edited by appytr on Saturday, September 09, 2006 at 12:55:36 PM.]
Photos: Here it is I can't believe I managed to find this one.
7/27/2006	Firehogs found AD9256 (NGS Benchmark)		[visit log]
Found it- first benchmark.
7/19/2006	Ellesche found AD9256 (NGS Benchmark)		[visit log]
Neat place. Visited with res2100 and son.
7/19/2006	res2100 found AD9256 (NGS Benchmark)		[visit log]
Found while on vacation.
Photos: 4 corners
7/13/2006	MichaelShafferFamily found AD9256 (NGS Benchmark)		[visit log]
Found this before we started officially geocaching.
7/13/2006	mausmobile found AD9256 (NGS Benchmark)		[visit log]
Fulfilled a cheesy childhood wish at this benchmark, with photos to prove it. Saw the fullest Porta-Potties ever. 1st benchmark! mausmobile (w/Ian)
7/9/2006	Agents of KAOS found AD9256 (NGS Benchmark)		[visit log]
Hard to miss this one! -- Agents of KAOS (RAP & the LFW) -- Longmont, Colorado
7/4/2006	mac7 found AD9256 (NGS Benchmark)		[visit log]
Found while on vaaction with the family from Pelham, Alabama.
Photos: DSCF6222.JPG Me, my GPS and the brass 4 corners marker
6/26/2006	geowoodstock found AD9256 (NGS Benchmark)		[visit log]
Found it while on vacation!!
6/22/2006	Clan Mroczko found AD9256 (NGS Benchmark)		[visit log]
Found this benchmark to be as decribed and in good condition. Found this benchmark while doing the Four Corners cache.
6/9/2006	Bigmama763 found AD9256 (NGS Benchmark)		[visit log]
Like Thelad said...
Photos: Where 4 states meet.
6/9/2006	thelad found AD9256 (NGS Benchmark)		[visit log]
We found it while doing the 4 Corners cache. Bigmama763 took the photo.
6/6/2006	Totavi found AD9256 (NGS Benchmark)		[visit log]
Found this one before the great debacle of my Dad's wife locking the keys to the car in the trunk. That put the joy right out of this visit for a bit, but I am glad to have seen this monument
5/20/2006	rob14erguy found AD9256 (NGS Benchmark)		[visit log]
First time to this site. Came here while on vacation.
5/13/2006	lesslost2 found AD9256 (NGS Benchmark)		[visit log]
Arguably the most famous benchmark of them all! A must have for any benchmarker.
4/22/2006	Southpaw found AD9256 (NGS Benchmark)		[visit log]
Found this one in great condition while in the area.
Photos: SP-4 Corners.JPG
4/17/2006	bflylady found AD9256 (NGS Benchmark)		[visit log]
Commemorating memorable family visit in May '94 :)
4/5/2006	Goodguys found AD9256 (NGS Benchmark)		[visit log]
Found this one while on a 3 week road trip from British Columbia, Canada.
Photos: At the spot.
3/29/2006	Dew Crew found AD9256 (NGS Benchmark)		[visit log]
Got there after the gates were closed, but walked in. On the way to a conference of my dad's in Las Vegas.
Photos: Me at the monument/BM
3/21/2006	WhirledCache found AD9256 (NGS Benchmark)		[visit log]
Recovered in good condition as described.
Photos: AD9256
2/11/2006	Uncle Alaska found AD9256 (NGS Benchmark)		[visit log]
Cold, Windy Day...still there (as expected) -UA
1/8/2006	smaro found AD9256 (NGS Benchmark)		[visit log]
1 of 6 corners visited in the southern plains on a 3500 mile road trip.
12/3/2005	Angela and Tony found AD9256 (NGS Benchmark)		[visit log]
Four Corners
Photos: Four Corners
9/3/2005	Eyedoc found AD9256 (NGS Benchmark)		[visit log]
Didn't realize this counted as a benchmark. A fun day visiting and caching nearby in Colorado. Eyedoc
Photos: 4 Corners Benchmark
6/27/2005	libertylady found AD9256 (NGS Benchmark)		[visit log]
It was fun exploring the 4 corners.
6/24/2005	mohaveman found AD9256 (NGS Benchmark)		[visit log]
Found many times
6/21/2005	~del Mar~ found AD9256 (NGS Benchmark)		[visit log]
fun day at the monument
5/29/2005	Viper pilot found AD9256 (NGS Benchmark)		[visit log]
Great place to put a marker. Enjoyed locals selling their stuff.
5/5/2005	TeamR found AD9256 (NGS Benchmark)		[visit log]
Found while visiting the monument.
4/21/2005	Dorkteam6 found AD9256 (NGS Benchmark)		[visit log]
Found while at the monument
3/13/2005	eagle8247 found AD9256 (NGS Benchmark)		[visit log]
Have been here once before I discovered geocaching and benchmarks. eagle8247
Photos: IM002373.jpg
3/4/2005	Hikeaday found AD9256 (NGS Benchmark)		[visit log]
My first benchmark. Couldn't help but notice it while doing the virtual Four Corners Monument geocache.
Photos: Banchmark and Garmin Didn't really need GPSr to find this benchmark
1/16/2005	zdv found AD9256 (NGS Benchmark)		[visit log]
This marker is a very easy find from the highway but you do have to pay the $3 fee to park. A nice stop on the way to Provo from Albuquerque!
1/4/2005	DocW found AD9256 (NGS Benchmark)		[visit log]
Found it whilst gathering information for GC6A98
8/3/2004	halftrip found AD9256 (NGS Benchmark)		[visit log]
Found one, found 'em all, I say. Since it is four corners, shouldn't this count as four benchmarks?
7/11/2004	cachehappy-cashpoor found AD9256 (NGS Benchmark)		[visit log]
Found this one at the exact same time as GC6A98 - Four Corners Monument Virtual Cache. The place was really busy. We posted a picture on the other site.
6/12/2004	cache_venturers found AD9256 (NGS Benchmark)		[visit log]
Stopped here on our way to Mexico with our Venture Crew. Most weren't too interested in geocaching, but we drug them along anyway. Almost forgot to log this find, just remembered while logging other benchmarks we found today (July 3) We had trouble with camera and wiped out most of our vacation pictures. :( [This entry was edited by cache_venturers on Monday, July 12, 2004 at 11:31:42 AM.]
5/23/2004	seventhings found AD9256 (NGS Benchmark)		[visit log]
Found as described.
Photos: AD9256 - the Mark AD9256 in UT, CO, AZ and NM
5/15/2004	The Simpsons found AD9256 (NGS Benchmark)		[visit log]
One of the easier benchmarks!
Photos: 4corners.JPG
1/29/2004	Mayfly22 found AD9256 (NGS Benchmark)		[visit log]
Making a wide swing between Canyon de Chelly and Grand Canyon and had to stop by. Mayfly22
1/17/2004	Pablo1111 found AD9256 (NGS Benchmark)		[visit log]
N 36° 59.940 W 109° 02.709 Yeah~we found it! Recovered in Grand condition! Kinda hard to miss! and cost $3 per person just to see it! But what a nice spot to put the 4 corners!
1/3/2004	clan MacLeod found AD9256 (NGS Benchmark)		[visit log]
found it right where someone left it. a little wet out that day but still a nice day to cache.
Photos: clan MacLeod
11/8/2003	tspar1 found AD9256 (NGS Benchmark)		[visit log]
I first visited this site in 1957. There was no one around, no cars, no indians, no curio and crafts stands and no monument. It was just a cement post about 1 foot square and about 12 tall with a standard benchmark disc in the top. Ah the good old days.
8/8/2003	Aquosus found AD9256 (NGS Benchmark)		[visit log]
During our holidays in the states, we could not resist visiting this place.
Photos: Bunch of Bugs The participants of the trans-Atlantic geobugrace that are travelling togheter with us to their startingplace : Cache witness Post in Arizona. Doggystyle catching a breath at AD9256 Four Corners-Benchmark
7/20/2003	manicmechanic found AD9256 (NGS Benchmark)		[visit log]
Found this one while visiting the area
7/3/2003	ToMonaInc found AD9256 (NGS Benchmark)		[visit log]
Found this one in order to do the Four Corners Cache.
Photos: ToMonaInc The starting point
6/30/2003	BigOsFan69 found AD9256 (NGS Benchmark)		[visit log]
Found this mark while visiting the Great American West.
5/13/2003	iontarget found AD9256 (NGS Benchmark)		[visit log]
Found it with TheStosh on our honeymoon.
5/13/2003	thestosh found AD9256 (NGS Benchmark)		[visit log]
Found this one on our honeymoon. - TheStosh, Melinda 05/13/2003
Photos: AD9256 - Four Corners - benchmark disk AD9256 - Four Corners - View of area
5/11/2003	Me & Bucky found AD9256 (NGS Benchmark)		[visit log]
N 36° 59.938 W 109° 02.710 Benchmark recovered as described, in good condition. Probably the most famous benchmark loaction in the U.S.
Photos: Just the Benchmark
11/9/2002	CallawayMT found AD9256 (NGS Benchmark)		[visit log]
Can't come down into this area without seeing the 4 Corners monument.
Photos: 4 Corners Monument
10/5/2002	Ozona found AD9256 (NGS Benchmark)		[visit log]
Found it as needed to complete the Four Corners geocache.
8/11/2002	submanager found AD9256 (NGS Benchmark)		[visit log]
Found this during a visit to Four Corners.
6/12/2002	Helodriver found AD9256 (NGS Benchmark)		[visit log]
found while placing the Four Corners Cache. Actually, this marker is integral to the four corners cache! see a picture of it on the four corners cache page.
2/27/2002	cs2 found AD9256 (NGS Benchmark)		[visit log]
Worth the stop.
8/24/1999	miammocar01 found AD9256 (NGS Benchmark)		[visit log]
Found with family on vacation
7/4/1999	harsensis found AD9256 (NGS Benchmark)		[visit log]
I found this one in 1978, but the date doesn't go that far back.
6/28/1997	tenebrus found AD9256 (NGS Benchmark)		[visit log]
My year is off by one (I should have 1996 but the menu doesn't want to let me log this). I went (10,000+ miles) cross-country with my dad for 3 week back in 1996. This was one of the places that I really hoped to visit as long as we were "in the vicinity."
7/1/1996	Blue Canary found AD9256 (NGS Benchmark)		[visit log]
found it
4/20/1994	Goat Haunt found AD9256 (NGS Benchmark)		[visit log]
Benchmark located on station in good condition.

Documented History (by the NGS)

Control Text

• The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in July 1997.
• The orthometric height was determined by GPS observations and a high-resolution geoid model.
• The X, Y, and Z were computed from the position and the ellipsoidal ht.
• The Laplace correction was computed from DEFLEC99 derived deflections.
• The ellipsoidal height was determined by GPS observations and is referenced to NAD 83.
• The geoid height was determined by GEOID99.