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Details for Benchmark: SY0421

N 47° 43.117 W 122° 18.783 (NAD 83)

Altitude: 345.89

Coordinates may not be exact. Altitude is ADJUSTED and location is SCALED. (more info)

Location:
In KING county, WA View Original Datasheet
Designation:
B 411
Marker Type:
bench mark disk
Setting:
massive structures
Stability:
Probably hold position/elevation well.

Must Read!

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Found it 8/17/2013 Skotlee found SY0421   Visit Log
Met up with a guy at the GIFF and he told about this bench mark. It was on a building that was being destroyed and he asked if he could keep it. His request was approved and therefore to his knowledge has the only traveling benchmark! Awesome to come across and top off a very accomplished day. Mahalo for the benchmark!
Found it 8/16/2013 Team2002 found SY0421   Visit Log
Found in the hands of the person who rescued the BM and got permission to retain it.
[Photos:]
photoB411
photoB411
Found it 1/26/2013 Cacheikers found SY0421   Visit Log
Very cool. We've never seen a bench mark on the loose. Thanks for sharing.
Found it 1/26/2013 HippoFan found SY0421   Visit Log
Saw this roving benchmark at the Snohomish Pizza Meet and Greet. Thanks for bringing it in!
Found it 1/26/2013 las3dogs found SY0421   Visit Log
Saw this benchmark at the Block Party in August 2012. Saw it again at the Snohomish - Pizza Meet and Greet event. Now realized I had tried to log it as a trackable instead of a benchmark. Got it right today! Thanks for saving it from the recking ball!
Found it 8/19/2012 EveningKiss found SY0421   Visit Log
Thanks for bringing this to the Block Party =)
Found it 8/18/2012 Terrible Ts found SY0421   Visit Log
Discovered this one at the 2012 Geocaching Block Party. Still in ok shape.

Terrible Ts
[Photos:]
photoNot mounted to anything anymore.
Found it 8/18/2012 papa+2 found SY0421   Visit Log
N 47° 38.943 W 122° 20.931
Found in the hands of the current caretaker. Thanks for bring to the 2012 Block Party.
Found it 8/18/2012 Lupo+Hexe found SY0421   Visit Log
Seen this at the Blockparty.

THX and grettings from Germany
Found it 8/18/2012 netteleut(h)e found SY0421   Visit Log
Found during the Blockparty. Thanks for showing.
Found it 8/18/2012 shrek198 found SY0421   Visit Log
Found this during the Groundspeak Geocaching Block Party. Thanks for sharing
[Photos:]
photoThe movable Benchmark
Found it 8/18/2012 2nd Son found SY0421   Visit Log
Thanks for sharing this at the Block Party.
Found it 8/17/2012 McNamee4 found SY0421   Visit Log
Discovered at "A Lovely Picnic" event. Thanks for being my first!

M4
Found it 8/16/2012 criffree found SY0421   Visit Log
Spotted this one at the pre-block party at the beach party! I'd heard/read of this and was pleased to get it in my hands! Super THANKS!
[Photos:]
photoTAZ42 and I with this benchmark!
Found it 8/16/2012 cologne geckos found SY0421   Visit Log
Spotted on the picnic Event.
Thanks for showing.
[Photos:]
photoThe Benchmark
Found it 8/16/2012 longtomsilver found SY0421   Visit Log
Thanks so much for this walking benchmark.
Spotted on the Lovely Picnic Event.

Greetings from Germany
[Photos:]
photoP1050916k
Found it 8/16/2012 coloniacacher found SY0421   Visit Log
Seen on the Lovely Picnic Event. Thanks for showing.

Greetings from Germany
Found it 4/24/2012 jellis found SY0421   Visit Log
Never logged a traveling Benchmark before.
[Photos:]
photoSpotted it at my Cito event
Found it 4/21/2012 tolmaus found SY0421   Visit Log
Discovered this one at an Earth Day CITO event! Thank you! :o)
Found it 3/29/2012 Recycled Art Co found SY0421   Visit Log
Saw this one at the "Meet and Greet at Big Daddy's" Thx!
Found it 3/24/2012 blueal found SY0421   Visit Log
Never seen a benchmark not attached to something. Thanks for sharing!
Found it 3/24/2012 danamber found SY0421   Visit Log
We say this benchmark at jcacher15 event at Big Daddy's Bar & Grill in Woodinville, Wa. It was in the hands of efhutton. Thanks for sharing.
Found it 11/11/2011 The Bad Cop found SY0421   Visit Log
EF Hutton showed me this unique piece of benchmarking history at the 11-11-11 event.
Found it 11/11/2011 FugeFinders found SY0421   Visit Log
This benchmark found me at the 11-11-11 event in Redmond. Thanks to EFHutton for sharing! Very cool that he is allowed to carry this around to events for people to find.
Found it 8/31/2011 NTB10 found SY0421   Visit Log
Very Cool -- This was neat seeing one of these and being able to hold it!! Thanks for sharing this. Seen at the 'TheScottFamilyFive' event cache.
Found it 8/31/2011 poppaqbear found SY0421   Visit Log
Found at the SF5 event, this is so cool, thanks for sharing!
Found it 8/20/2011 Uber Uno found SY0421   Visit Log
I got to hold this benchmark at the Block Party! Cool!
[Photos:]
photoUber Uno holding SY0421 B 411
Found it 8/20/2011 melicious found SY0421   Visit Log
Found in the hands of the owner while lunching in Fremont at Norm's Eatery w/Dugfresh and our 3 mongrels during Groundspeak BlockParty! ;) TFTB
Found it 8/20/2011 soilsqueezer found SY0421   Visit Log
This is the first time that a benchmark has come to me. Thanks for sharing while we were sorting through the items in your nano cache after the block party!
Write note 3/11/2011 Bigguy In Texas posted a note for SY0421   Visit Log
Howdy and greetings from Texas!

Wow, what a cool thing to have! I heard about your recovery of this benchmark on Podcacher.com!
That is just awesome! Now you will have to take it with you everywhere that you go, maybe it should visit other BMs and post the pics!!!!!

Congrats on your unique knickknack and be sure to bring it with you to Texas when you come to visit Necropolis of Brittania Manor III (GC2B034) for all the local CenTex cachers to discover it. Of course, we will host an event in its (and your) honor!!!!

Hope to see you both soon!
Write note 3/1/2011 SudsyMaggie posted a note for SY0421   Visit Log
Just found out about this from the PodCacher website. Lucky me, I'm a local! Hope I come across this soon, I love benchmarks. (visit link)
Found it 2/19/2011 A+ found SY0421   Visit Log
It's about time I log a find on this benchmark, since I see it all the time. My dad is the proud holder of this thing. Thanks for showing it to me.
Found it 2/12/2011 golden cache found SY0421   Visit Log
Discovered this at the Scooby moved over 19,698 bugs... Party time! event. Way cool that you were able to save this one from destruction! What a unique thing to have!
Found it 1/15/2011 Cache Dance found SY0421   Visit Log
I actually discovered this benchmark at the WSGA-PS Holiday Event in Renton!! Thanks!
Found it 1/15/2011 grossi found SY0421   Visit Log
I've never held one of these before--how cool! Thanks for recovering it before the Safeway was torn down.
[Photos:]
photoEFHutton with benchmark
Found it 11/6/2010 Louie Bliss found SY0421   Visit Log
Found in the hands of the owner at the Woodinville Meet and greet event and spotted at the WSGA event on 1/15/2011. What a great rescue story, EF!
Found it 11/6/2010 Hike a Photo found SY0421   Visit Log
Found this at the "Meet, Greet, and Eat (pizza)" event in the hands of the owner. Thanks for sharing, very cool! HAP
Found it 11/6/2010 buffaloed found SY0421   Visit Log
Very cool finding this at the geocaching event today. Thanks for the lesson on Benchmarks! I agree that it would be great to attach a GPS sender to the CO (BO?) to track the location.
Found it 11/6/2010 CaptainKevin found SY0421   Visit Log
The page for this benchmark should have a map function. A unique BM in the hands of its unique owner. Way cool! Found this at the Meet, Greet and Eat (pizza) event in Woodinville. Thanks for sharing EFH
Found it 11/6/2010 WatchDOGSMike found SY0421   Visit Log
Found it at the Woodinville Meet, Greet, and Eat (pizza) in the hands of its owner. EFHUTTON. What a generous Geocacher he was sharing it with everyone. Thank you very much. WatchDOGSMike.
Found it 11/6/2010 RogoGirls3 found SY0421   Visit Log
Found it at the Woodinville Meet, Greet, and Eat (pizza) in the hands of its owner. It was nice meeting you EFHutton.
Found it 11/5/2010 Shaggy, Scooby, and Velma found SY0421   Visit Log
Found this in the hands of the owner on 10/10/10! I just found the napkin I wrote it on in my backpack... lol
Thanks for sharing it!
Found it 10/10/2010 MaddiesDaddy found SY0421   Visit Log
I also found this benchmark in the hands of the owner. Thanks for sharing!
Found it 10/10/2010 Tobias & Petronella found SY0421   Visit Log
Found this benchmark in the hands (yes, hands) of its owner. It was really fun to see one out of its normal setting. Thanks for sharing.
Found it 10/10/2010 silly willy found SY0421   Visit Log
Found this benchmark on the same day we were able to do our uber icon challenge. Thanks for sharing it.
Found it 10/10/2010 Curious Joe found SY0421   Visit Log
Yeah, I never have held one before. Hey, it's as old as me. Not sure which is in better shape. Definitely more rounded than me, but lacking a certain depth of character...but with more bling. Thanks EF for sharing!
Found it 10/10/2010 jennadele found SY0421   Visit Log
AWESOME. Held one in my hand, even better. This is the awesome benchmark
Found it 10/10/2010 k7-wave found SY0421   Visit Log
First benchmark I have actually held in my hand! A traveling benchmark! Had to log it as my 11th BM "recovered".
[Photos:]
photoIn the owner's hand!
Found it 10/10/2010 lamoracke found SY0421   Visit Log
never found a traveling benchmark before. Cool, was looking to reach double digits in these things
Found it 10/10/2010 unclefunky found SY0421   Visit Log
Cool! I think we convinced the BO that he needed to turn this one into some "bling".
Found it 10/2/2010 TheScottFamilyFive found SY0421   Visit Log
Found, maybe not in the original location, but in good shape .
[Photos:]
photoOh, there it is!
Found it 10/2/2010 amineko found SY0421   Visit Log
Saw this one in the hands of the owner today. Cool benchmark!
Found it 7/11/2010 daysjourney found SY0421   Visit Log
Found in the hot little hands of the owner!
[Photos:]
photoSY0421
Found it 7/11/2010 tango501 found SY0421   Visit Log
Found in the current owners hand
[Photos:]
photo2010-07-11 19.43.31
Write note 4/8/2010 EFHutton posted a note for SY0421   Visit Log
This benchmark has been recovered by me and is in my possession. I have permission from the NGS to possess this benchmark and will show it to you if you want to see it. It is in fairly good condition, however it is no longer mounted to the structure that it was originally mounted on.
Write note 4/7/2010 EFHutton posted a note for SY0421   Visit Log
This benchmark is about to be destroyed! The marker is located at the corner of the Safeway loading dock, embedded in the wall. Safeway has closed and is scheduled to be torn down and rebuilt in a different location on the property. Like many other benchmarks, it will probably be lost in the rubble and never recovered. It is currently not accessible as there is a chain-link fence surrounding the entire lot.
Farewell B411!
Found it 4/19/2008 EFHutton found SY0421   Visit Log
I don't live far from this benchmark and have probably walked by it hundreds of times! Never knew it was there until I got into Geocaching. Cool!
[Photos:]
photoBenchmark SY0421
Found it 6/11/2007 Johnny Cache 79 found SY0421   Visit Log
Finally getting a chance to find this benchmark, I have driven past this benchmark many times, but until now I hadn't taken the time to stop by and snap a picture.
[Photos:]
photoB11.JPG
Found it 4/19/2005 Wild Woodsmen found SY0421   Visit Log
Located as described by NBJPoppa in 2004. Paint is being kept off the disk.
Found it 3/14/2004 NBJPoppa found SY0421   Visit Log
Found this disc tonight with my oldest daughter as part of a science project. Curiously, since it was last logged the paint has been removed from the disc.
[Photos:]
photoMe trying to get a fix on the position.
My daughter's science project is to check the accuracy of my GPSr by comparing the results we get with it compared with "official" coordinates. She took this picture of me trying (in vain) to get good coordinates next to the wall. Boy, it really stinks back here!
photoThe "uncovered" disc.
This is what the disc looks like at this point in time.
Found it 10/14/2002 static_neurotoxin found SY0421   Visit Log
Wouldn't have found bench mark except for excellent description in official history. Bench mark has been painted over to with the rest of the loading dock and is difficult to see.
[Photos:]
photocloseup of sy0421
As you can see the bench mark disk is all but obscured

Documented History (by the NGS)

1/1/1965 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1965 IN SEATTLE. AT SEATTLE, 0.5 MILE WEST ALONG NE 125TH STREET FROM LAKE CITY SCHOOL, BETWEEN 15TH AND 16TH AVENUES NE, SET VERTICALLY IN THE WEST FACE OF THE CONCRETE FOUNDATION OF THE LOADING PLATFORM FOR SAFE WAY STORE, 0.3 FOOT SOUTH OF THE NORTHWEST CORNER OF THE PLATFORM, 260 FEET EAST OF THE CENTER LINE OF 15TH AVENUE NE, 204 FEET SOUTH OF THE CENTER LINE OF THE STREET, AND 2.0 FEET ABOVE THE GROUND.
1/1/1984 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1984 RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991.
  • The geoid height was determined by GEOID99.
  • The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (G = 980.6199 gals.).
  • The modeled gravity was interpolated from observed gravity values.

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