Details for Benchmark: HV1834

N 38° 53.433 W 077° 01.500 (NAD 83)

Altitude: 23.88

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

Location:
In DISTRICT OF COLUMBIA county, DC View Original Datasheet
Designation:
M 12 PBPP
Marker Type:
survey disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Navigation

Found it 12/25/2020 seadog129 found HV1834   Visit Log

Saw this benchmark while caching in the area.

[Photos:]
photoHV1834
photoHV1834 Area
Found it 12/27/2019 Desafio found HV1834   Visit Log

Found while caching in the area with HubbyG. HubbyG uploaded our photo.
Found it 12/27/2019 HubbyG found HV1834   Visit Log

Found while geocaching in the area with Desafio.

[Photos:]
photoHV1834
Found it 09/07/2019 AR88 found HV1834   Visit Log

Dieser Benchmark konnte erfolgreich entdeckt werden.

This benchmark was successfully discovered.

[Photos:]
photo
Found it 07/26/2018 h2owarrior found HV1834   Visit Log

Unable to get close enough due to construction barriers blocking access but was just able to spot it.
Found it 05/30/2018 Stage_Worm found HV1834   Visit Log

Heute bei einer großen Tour auch diesen Benchmark gemacht !!
Found it 05/20/2018 luzzi-reloaded found HV1834   Visit Log

Unterwegs auf einer großen USA Tour mit Stage_Worm.
Found it 05/18/2018 micaparamedic found HV1834   Visit Log

Located whilst caching in the area with GoodLook.
Found it 05/18/2018 GoodLook found HV1834   Visit Log

Found with micaparamedic on a whirlwind trip of virtual geocaches and nearby benchmarks. This one was easier to spot (compared with the x benchmark that was chiseled into the stone).
Found it 04/03/2018 gmarkf found HV1834   Visit Log

As described.
Found it 12/28/2017 Millasmommies12 found HV1834   Visit Log

Here for Christmas. WOW !!!
Found it 10/01/2017 Falstaff found HV1834   Visit Log

Found disk as described on the first step of the Smithsonian Museum of Natural History.

[Photos:]
photoHV1834 - M12 PBPP - Disk - DC
The disk.
photoHV1834 - M12 PBPP - vicinity - DC
My red arrow marks the location of the disk on the step.
Found it 07/11/2017 Snowsox found HV1834   Visit Log

Spotted this one while touring DC with two boys I was hosting from Spain.

[Photos:]
photo
Found it 03/19/2017 tipete found HV1834   Visit Log

An impromptu find while visiting the adjacent museum.
TFTB
Pierre (Tipete) Montreal, Canada

[Photos:]
photo
Found it 05/22/2016 k9jayhawk found HV1834   Visit Log

Visiting from Colorado with the wife.
Found it 03/27/2016 Skyecat found HV1834   Visit Log

Visited the Capital on a weekend trip over Easter.

[Photos:]
photoIMG_0154
Found it 01/02/2016 EntropyEndeavor found HV1834   Visit Log

Easy to find on the right side of the bottom step to the National Museum of Natural History.

NGS site is updated to include adjusted coordinates: N 38° 53.434 W 077° 01.549

[Photos:]
photoM 12 PBPP
photoLocation on steps
photoNMNH
Found it 10/24/2015 ponil found HV1834   Visit Log

In DC for a conference and mapped out an ambitious agenda for finding virtual, earth, multis, puzzles and regular caches, as well as some bench marks!
Walked all around the monument!
TFTC< ponil
Found it 10/20/2015 TeamDAAK found HV1834   Visit Log

Found by accident looking at petrified rock

[Photos:]
photoimage
photoimage
Found it 09/19/2015 jeff-trex found HV1834   Visit Log

found while doing the nearby mystery cache.
Found it 08/03/2015 Skorpions found HV1834   Visit Log

On my trip through Washington I passed this benchmark as well. Thanks for showing. :)

[Photos:]
photo25
Found it 07/31/2015 bgsbog found HV1834   Visit Log

Stumbled upon this one while grabbing the answers for an earth cache.

[Photos:]
photoDSC_7493
Found it 07/22/2015 TKG found HV1834   Visit Log

Got it

[Photos:]
photoMarker
Found it 07/19/2015 beefezard found HV1834   Visit Log

Caching around DC today while playing hookey from a work-related conference. Took a quick pic while muggles loitered around.

[Photos:]
photoimage
Found it 06/27/2015 Postpile found HV1834   Visit Log

Stumbled upon this one.

[Photos:]
photoM 12
Found it 05/16/2015 mdawaffe found HV1834   Visit Log

Found with shell1fish.
Found it 05/16/2015 shell1fish found HV1834   Visit Log
N 38° 53.435 W 077° 01.547

Found as described thanks to previous logs, photos, and the earthcache. The disk is in good condition considering its location with only minor surface scratches, and its markings are clearly legible.

[Photos:]
photoClose-up of M 12 PBPP - HV1834 Benchmark
photoLocation of M 12 PBPP - HV1834 Facing West
Found it 04/13/2015 J&KN found HV1834   Visit Log

Found in good condition

[Photos:]
photoimage
HV1834 close up
Found it 04/06/2015 DukeRoom found HV1834   Visit Log

We spotted this while checking out the petrified wood nearby.

[Photos:]
photoM12 Benchmark
Found it 03/28/2015 Mr Echo found HV1834   Visit Log

Found while in DC!
Found it 09/16/2014 BomberNaviGuesser found HV1834   Visit Log

Found it while visiting the museum and finding a couple caches on a day off.

[Photos:]
photo16 Sep
Found it 08/30/2014 Szampruch_Family found HV1834   Visit Log

Found this benchmark while working on the earthcaches in the area.
Found it 08/09/2014 NakoTacoPatrol found HV1834   Visit Log

Spotted this one on our way into the museum. Mark appears to be in good condition at this time.

[Photos:]
photoM 12 PBPP HV1834 Disk, Washington DC
photoM 12 PBPP HV1834 Setting View, Washington DC
Found it 06/30/2014 m&m O found HV1834   Visit Log

Noticed this benchmark while working on the EarthCache that starts here.

[Photos:]
photoDSCN0792
Found it 05/06/2014 MJBinski found HV1834   Visit Log

Walking the mall collecting benchmarks and virtual caches. Found in great condition and had a nice walk through the museum afterward. CC76...

[Photos:]
photoHV1834 (1)
photoHV1834 (2)
photoHV1834 (3)
Found it 04/11/2014 Paine12 found HV1834   Visit Log

We happened to come across this one on our way inside the museum. Benchmark is in great shape!
Found it 04/09/2014 criffree found HV1834   Visit Log

What a day! Lots of caches, lots of benchmarks, and lots of sights!
Found it 01/02/2014 Awesnap found HV1834   Visit Log

Located on a foggy DC day. Placed my Waterfieldusa HFH coin on site.

[Photos:]
photoHV1837
Found it 12/05/2013 two000miler found HV1834   Visit Log

Yup. Right next to the museum steps. Don't know how I missed it last time I was here except I did not look then.
Found it 08/07/2013 ForesterCat found HV1834   Visit Log

Found with my hubby Jay 7.
Found it 08/07/2013 Jay-7 found HV1834   Visit Log
N 38° 53.447 W 077° 01.566

Found while at the Smithsonian today. My coordinates and photos posted.

[Photos:]
photoM12 close up
M12 close up w/GPSr
photoM12 eye level view
Eye level view of M12 to the west
photoM12 area view
Area view of M12 to the west - yellow arrow points to mark location
Found it 07/19/2013 bluesnote found HV1834   Visit Log

Saw while at smithsonian.
Found it 06/01/2013 captainmath found HV1834   Visit Log

Found while touring Washington DC
Found it 04/08/2013 HowDee found HV1834   Visit Log

Found visiting Washington DC.
Found it 03/17/2013 m3a9 found HV1834   Visit Log

Another surprise benchmark find in DC. We spotted this one while doing an EarthCache at the museum. No doubt we also passed by plenty of others today. All in fine shape here.
Found it 12/31/2012 gmarkusic found HV1834   Visit Log

Found while touring Washington DC
Found it 12/29/2012 SpeedCity found HV1834   Visit Log

Found while working on an Earthcache, quite unexpected!

[Photos:]
photo025
Found it 11/17/2012 keruha found HV1834   Visit Log

Did not expect to find the benchmark there. But there it is!

[Photos:]
photoIMG_7426
Found it 10/02/2012 FourW found HV1834   Visit Log

We found this totally by accident when looking at virtual caches and 200 million year old tree fossils in Washington Dc while on holiday from Australia. First ( perhaps only) Benchmark. Topped off a great day.
Found it 08/26/2012 Cyclops found HV1834   Visit Log

Recovered in good condition. Passing through to the Earthcache Mega event in Maine.

[Photos:]
photoHV1834 - Area
photoHV1834 - Close up
Found it 07/21/2012 MulderNScully found HV1834   Visit Log

Found by chance while looking at the petrified wood for the nearby earthcache! Good shape!
Found it 06/20/2012 Eireannach found HV1834   Visit Log

Got it after walking The Mall.

-GARDA-
Found it 06/09/2012 Hawaiian Ninja found HV1834   Visit Log

Out here for the 100th Anniversary of the Girl Scouts. Took some time to see some of the sights. Happened to see it as we walked by.

[Photos:]
photoHV1834
Found it 05/14/2012 r8ce2win found HV1834   Visit Log

Found this one while in D.C. on an Honor Flight bringing our veterans to see their memorials. Found while doing the nearby Earthcache.
Found it 05/06/2012 Sammydogs found HV1834   Visit Log

Found exactly where it should be and in good condition. PBPP - Public Buildings & Public Parks

[Photos:]
photoclose up view of benchmark
photoMr Sammydogs pointing to it
Found it 04/24/2012 1st Sgt found HV1834   Visit Log

Found while geocaching on the mall.
Found it 04/12/2012 Six Little Spookies found HV1834   Visit Log

This one popped out at me on the way into the museum.

[Photos:]
photoRight there behind the railing.
Near the petrified wood.
Found it 12/21/2011 Netinator found HV1834   Visit Log

It was exciting to find a benchmark in DC. we were out all day in the rain trying to get the Virtual and Earthcaches in the area.
Found it 12/18/2011 twister69 found HV1834   Visit Log

Spotted this while in town doing the Earthcache that is nearby...

[Photos:]
photoBenchmark
Found it 12/18/2011 marmon69 found HV1834   Visit Log

Spotted this benchmark by accident while doing the nearby Earthcache...

[Photos:]
photoHV1834
Found it 12/17/2011 white-star found HV1834   Visit Log

Eine interessante Variante von Geocaching, die ich so bisher noch nicht kannte. Und wenn man schon mal über den großen Teich gereist ist, muss man dies natürlich auch mal testen! Der Benchmark befindet sich wie angegeben in gutem Zustand am bekannten Ort!! Vielen Dank fürs Zeigen!!

[Photos:]
photoHV1834
Found it 07/02/2011 Paintedwarrior found HV1834   Visit Log

Found it with my dad (Dukemartin) and my mom.
Found it 07/02/2011 dukemartin found HV1834   Visit Log

Found in good condition at N38 53.434 W077 01.545 with 28' accuracy.

[Photos:]
photoLocation
photoCloseup
Found it 04/03/2011 hikebikek found HV1834   Visit Log

found this with werewolf while ckg out dc
Found it 04/03/2011 werewolf44 found HV1834   Visit Log

I must have walked by this a dozen times. this time I was looking for it.
Found it 04/03/2011 ZATnKAT found HV1834   Visit Log

After the Ikebana exhibit this morning at the National Arboretum, we spent the afternoon geocaching and benchmarking around the National Mall. Found this one on a busy day outside the Natural History Museum.

[Photos:]
photoClose-up
photodisc is behind railing
Found it 10/13/2010 rjm1 found HV1834   Visit Log

Found this one before visiting the Natural History Museum.

[Photos:]
photoHV1834
Found it 07/17/2010 bronc05 found HV1834   Visit Log

Found walking around the mall today
Found it 07/17/2010 ZeWrestler found HV1834   Visit Log

Spotted this benchmark on the way into the muesum today. This make the 10th benchmark I've logged.

[Photos:]
photoThe benchmark
Found it 06/14/2010 Ashallond found HV1834   Visit Log

Found while walking around the mall today

Found it 05/21/2010 chiknlips45 found HV1834   Visit Log

Easy find while on vacation in DC

[Photos:]
photoClose up of Disk
HV1834 DC
photoHV1834 Area shot
Looking West to the disk and steps.
Found it 04/14/2010 Road_Trip found HV1834   Visit Log

One of four found today while on lunchtime "ramble" around DC.

[Photos:]
photoBenchmark HV1834
photoVicinity of HV1834 - Looking west
Benchmark is in lower right part of photo, on step.
Found it 08/22/2009 Frank n Beck found HV1834   Visit Log

Found while in D.C. with the family geocaching and vacationing!
Found it 07/22/2009 Hotlanta found HV1834   Visit Log

Not too many tourist around today, which made finding this benchmark easy.

Found it 06/04/2009 foxtrot_xray found HV1834   Visit Log

Recovered as described.

[Photos:]
photoThe Disk
Found it 03/18/2009 Mr.Moo found HV1834   Visit Log

Found with my dad Moozer on vacation from California.
Found it 03/18/2009 Moozer found HV1834   Visit Log

Yep - there it was!
Found it 03/14/2009 Benchmark Blasterz found HV1834   Visit Log

Found on a rainy day in DC.

[Photos:]
photoHV1834 M 12 PBPP at Smithsonian NH Wash DC
Found it 12/15/2008 ipuppy found HV1834   Visit Log

Found as described in good condition.

[Photos:]
photoHV1834 mark
As you can see. it's right in the corner of the step
photoHV1834 area W
View west near HV 1834 - mark is to the left of the bicycle, just left of leftmost orange pylon and near GPS. Washington Monument is in the distance on the left and Museum of Natural History is on the right.
Found it 10/30/2008 Nature Hiker found HV1834   Visit Log

Mark is in good condition. I stopped by and found it, as described, before visiting the museum.

[Photos:]
photoClose-up, M 12 PBPP (HV1834), Washington, DC
photoLocation, M 12 PBPP (HV1834), Washington, DC
Mark seen on top of first step.
photoNorthwest view, M 12 PBPP (HV1834), Washington, DC
Looking northwest toward Smithsonian National Museum of Natural History. Mark is on top of first step.
Found it 07/23/2008 succotash found HV1834   Visit Log

Found during a brief visit to DC for business. We came by after visiting some nearby virtual cache locations, then went into the museum for a while to cool down and see some of the exhibits.

[Photos:]
photoHV1834 Washington DC
Found it 05/23/2008 K S Cricket found HV1834   Visit Log

Fun Find. Thanks
Found it 05/23/2008 Fort Rectus found HV1834   Visit Log

Excellent directions and the disk is in excellent shape. Thanks, Fort Rectus

[Photos:]
photoHV1834
photoHV 1834
Found it 04/30/2008 king.hubi found HV1834   Visit Log

Found with my family after visiting the National Museum of Natural History.
King Hubi

[Photos:]
photoHV1834 - M 12 PBPP [closeup]
photoHV1834 - M 12 PBPP [with GPS unit]
Found it 03/18/2008 MichaelShafferFamily found HV1834   Visit Log

:}
Found it 07/17/2007 Bailey Nippon 4 found HV1834   Visit Log

Found this on my last day of searching for caches and benchamrks in DC.

[Photos:]
photoNatural History Museum Benchmark
photoBN4 Traveller and HV1834
Found it 07/06/2007 Flounder6 found HV1834   Visit Log

Found as described.
Found it 06/11/2007 jkern found HV1834   Visit Log

Was on a mad dash for food and stumbled on it on the way in the museum. Took a few pictures quickly and moved on. This is a pretty short, easy benchmark.

[Photos:]
photoClose up
photoOn the steps
Found it 02/04/2007 BingoUSMC found HV1834   Visit Log

Found today on a visit to the museum.
Found it 11/30/2006 oldsmokey found HV1834   Visit Log

Walking down the Mall so I thought I'd get a couple of the BM's there. Easy find.
Found it 11/09/2006 WoolsonAbrams found HV1834   Visit Log

Found it while waiting for others.....(*v*)
Found it 09/11/2006 gpsboater found HV1834   Visit Log

found

[Photos:]
photohv1834.jpg
Found it 08/06/2006 die_scheffs found HV1834   Visit Log

Found it during my vacation in the USA.

Greetings from Germany!
Found it 08/04/2006 Peak-a-Boo found HV1834   Visit Log

Found this one after visiting the Museum of Natural History.

[Photos:]
photoClose up of HV1834
Found it 03/24/2006 GeoTeam66 found HV1834   Visit Log

Found it easily. This was my first benchmark, located in a nice place. Luckily, I was walking towards the Museum of American History from the National Gallery, so it was the perfect little break.
Found it 07/31/2005 Lehigh Mafia found HV1834   Visit Log

Looking Pretty Good.. Located on the Right side of the staircase leading up to the National Museum of Natural History.
Found it 04/24/2005 ArtMan found HV1834   Visit Log

Found as described. During the busy tourist season, very early Sunday morning is a great time to enjoy the majesty of the National Mall accompanied by birds, a few runners and homeless folk, and a hard-working Smithsonian employee.

38 52 25.5 N
77 01 32.7 W

[Photos:]
photoCloseup, station M 12 PBPP (HV1834) Washington, DC
photoArea view, M 12 PBPP (HV1834), Washington, DC
National Museum of Natural History, one of the Smithsonian museums on the National Mall. Photo is looking toward the northwest.
Found it 04/17/2004 Me & Bucky found HV1834   Visit Log
N 38° 53.412 W 077° 01.552

Benchmark M 12 PBPP was recovered as described, in good condition.

[Photos:]
photoBench Mark M 12 PBPP w/GPSr
photoBench Mark M 12 PBPP
photoNorthwest at Bench Mark M 12 PBPP
Found it 04/17/2004 Goat Haunt found HV1834   Visit Log
N 38° 53.412 W 077° 01.552

Mark was located at above cordinates in good condition. Description is very good at location.

[Photos:]
photoMark
Found it 08/15/2003 hiking dad found HV1834   Visit Log

This benchmark was about 60 meter from where our GPS said it should be but the directions given in the discription where very clear and percise and we found it without problem

[Photos:]
photobench mark HV1834
bench mark HV1834
Found it 07/20/2003 gnbrotz found HV1834   Visit Log

Found this mark as described and in good condition.

Documented History (by the NGS)

Unknown by PBPP (MONUMENTED)
01/01/1971 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 AT WASHINGTON. AT WASHINGTON, D.C., ABOUT 0.2 MILE WEST ALONG MADISON DRIVE FROM THE INTERSECTION OF SW 7TH STREET, AT THE SMITHSONIAN MUSEUM OF NATURAL HISTORY BUILDING, SET IN THE TOP OF THE EAST END OF THE BOTTOM GRANITE STEP AT THE SOUTH MAIN ENTRANCE TO THE BUILDING, 36 FEET NORTH OF THE CENTER LINE OF MADISON DRIVE, 0.2 FOOT SOUTH OF THE SOUTH FACE OF THE GRANITE BALUSTRADE, 0.2 FOOT EAST OF THE EAST END OF THE SECOND STEP UP FROM THE SIDEWALK, AND ABOUT 1 FOOT ABOVE THE LEVEL OF THE DRIVE.
01/01/1978 by DMA (GOOD)
RECOVERY NOTE BY DEFENSE MAP AGENCY 1978 RECOVERED IN GOOD CONDITION.
01/01/1979 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1979 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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