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A gauge or datum location used for comparisons, surveying or general reference in relation to known values.
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Total Records: 246 Page: 7 of 10 prev<<<[12345678910]>>>next
Image for PHRA22view gallery

EE123.6 km

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U.S. BenchmarksPHRA22

in U.S. Benchmarks

This geodetic control mark is in a traffic island in Arlington, VA.

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 5/30/2006

last visited: never

Image for Washington DC Boundary Stone - SW5view gallery

EE123.8 km

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U.S. Historic Survey Stones and MonumentsWashington DC Boundary Stone - SW5

in U.S. Historic Survey Stones and Monuments

Washington DC Boundary Stone - SW5

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 9/3/2006

last visited: never

Image for Mount Vernon Dock Vane on Cupola - Alexandria, Vaview gallery

EE123.8 km

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U.S. BenchmarksMount Vernon Dock Vane on Cupola - Alexandria, Va

in U.S. Benchmarks

The Dock is located on the Potomac River at George Washington's Mount Vernon Estate.

posted by: Groundspeak Premium Member LJParr

location: Virginia

date approved: 4/26/2012

last visited: 4/1/2018

Image for MT VERNON MANSION CUPOLA - Mount Vernon, VAview gallery

EE124.1 km

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U.S. BenchmarksMT VERNON MANSION CUPOLA - Mount Vernon, VA

in U.S. Benchmarks

The cupola on the Mount Vernon house is a benchmark.

posted by: Groundspeak Premium Member saopaulo1

location: Virginia

date approved: 5/28/2009

last visited: 3/1/2020

Image for PHRA21view gallery

EE124.1 km

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U.S. BenchmarksPHRA21

in U.S. Benchmarks

Station PHRA21 in Arlington, VA

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 5/30/2006

last visited: never

Image for BN33view gallery

EE124.1 km

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U.S. BenchmarksBN33

in U.S. Benchmarks

Station BN33 in Arlington, Virginia

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 5/7/2006

last visited: 6/17/2007

Image for BN32view gallery

EE124.1 km

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U.S. BenchmarksBN32

in U.S. Benchmarks

Station BN32 in Arlington, Virginia

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 5/7/2006

last visited: never

Image for BN2view gallery

EE124.1 km

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U.S. BenchmarksBN2

in U.S. Benchmarks

BN2 in Arlington, Virginia

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 4/29/2006

last visited: 6/20/2016

Image for BN3view gallery

EE124.2 km

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U.S. BenchmarksBN3

in U.S. Benchmarks

BN3 in Arlington, Virginia.

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 4/29/2006

last visited: 6/20/2016

Image for PHRA10view gallery

EE124.2 km

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U.S. BenchmarksPHRA10

in U.S. Benchmarks

Station PHRA10 in Arlington, Virginia

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 5/7/2006

last visited: 6/17/2007

Image for Mile Marker M to B 79view gallery

NENE124.2 km

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U.S. Historic Survey Stones and MonumentsMile Marker M to B 79

in U.S. Historic Survey Stones and Monuments

Mile Marker 79 Miles to Baltimore.

posted by: Groundspeak Premium Member Mountain Junkie

location: Maryland

date approved: 3/3/2008

last visited: 4/7/2008

Image for BN7view gallery

EE124.6 km

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U.S. BenchmarksBN7

in U.S. Benchmarks

Station BN7 in Arlington, Virginia

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 5/30/2006

last visited: never

Image for BN4view gallery

EE124.7 km

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U.S. BenchmarksBN4

in U.S. Benchmarks

Station BN4 in Arlington, Virginia

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 5/30/2006

last visited: 7/17/2019

Image for BN6 in Arlington, Virginiaview gallery

EE124.7 km

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U.S. BenchmarksBN6 in Arlington, Virginia

in U.S. Benchmarks

Station BN6 in Arlington County, Virginia

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 5/30/2006

last visited: never

Image for BN5view gallery

EE124.7 km

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U.S. BenchmarksBN5

in U.S. Benchmarks

Station BN5 in Arlington, Virginia

posted by: Groundspeak Regular Member Black Dog Trackers

location: Virginia

date approved: 5/30/2006

last visited: never

Image for P.D.H. Elev. -  Hollow RD at Licking Creek - Franklin County, PAview gallery

NN124.7 km

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U.S. BenchmarksP.D.H. Elev. - Hollow RD at Licking Creek - Franklin County, PA

in U.S. Benchmarks

Disk located on the SE wingwall of a bridge carrying Hollow RD over Licking Creek - about 200 feet N of the PA - MD line.

posted by: Groundspeak Premium Member Ernmark

location: Pennsylvania

date approved: 8/3/2007

last visited: never

Image for METRO Control Survey K139view gallery

EE124.9 km

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U.S. BenchmarksMETRO Control Survey K139

in U.S. Benchmarks

METRO Control Survey K139

posted by: Groundspeak Regular Member theroths3

location: Virginia

date approved: 11/11/2007

last visited: never

Image for GAITHERSBURG OBS MAG STA RESET (JV4127) - Gaithersburg, MDview gallery

NENE125.5 km

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U.S. BenchmarksGAITHERSBURG OBS MAG STA RESET (JV4127) - Gaithersburg, MD

in U.S. Benchmarks

A Magnetic Station disk located in a park which contains 5 survey marks and is the site of an observatory which was used to measure the wobble of the Earth on its axis.

posted by: Groundspeak Premium Member Ernmark

location: Maryland

date approved: 5/10/2015

last visited: 5/25/2015

Image for GAITHERSBURG OBS SOUTH (JV2610) - Gaithersburg, MDview gallery

NENE125.5 km

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U.S. BenchmarksGAITHERSBURG OBS SOUTH (JV2610) - Gaithersburg, MD

in U.S. Benchmarks

A Traverse Station disk located in a park which contains 5 survey marks and is the site of an observatory which was used to measure the wobble of the Earth on its axis.

posted by: Groundspeak Premium Member Ernmark

location: Maryland

date approved: 5/10/2015

last visited: 5/25/2015

Image for OBSERVATORY (JV4126) - Gaithersburg, MDview gallery

NENE125.5 km

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U.S. BenchmarksOBSERVATORY (JV4126) - Gaithersburg, MD

in U.S. Benchmarks

A Triangulation Station disk located in a park which contains 5 survey marks and is the site of an observatory which was used to measure the wobble of the Earth on its axis.

posted by: Groundspeak Premium Member Ernmark

location: Maryland

date approved: 5/9/2015

last visited: 5/25/2015

Image for GAITHERSBURG OBS NORTH 2 (JV4125) - Gaithersburg, MDview gallery

NENE125.5 km

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U.S. BenchmarksGAITHERSBURG OBS NORTH 2 (JV4125) - Gaithersburg, MD

in U.S. Benchmarks

A Traverse Station disk located in a park which contains 5 survey marks and is the site of an observatory which was used to measure the wobble of the Earth on its axis.

posted by: Groundspeak Premium Member Ernmark

location: Maryland

date approved: 5/11/2015

last visited: 5/25/2015

Image for OBSERVATORY RM 1 (JV4124) - Gaithersburg, MDview gallery

NENE125.5 km

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U.S. BenchmarksOBSERVATORY RM 1 (JV4124) - Gaithersburg, MD

in U.S. Benchmarks

A horizontally-adjusted Reference Mark located in a park which contains 5 survey marks and is the site of an observatory which was used to measure the wobble of the Earth on its axis.

posted by: Groundspeak Premium Member Ernmark

location: Maryland

date approved: 5/11/2015

last visited: 5/25/2015

Image for 76 M to B - Huyett, MDview gallery

NENE125.9 km

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U.S. Historic Survey Stones and Monuments76 M to B - Huyett, MD

in U.S. Historic Survey Stones and Monuments

Old stone milepost along US 40 ....76 miles west of Baltimore.

posted by: Groundspeak Premium Member Ernmark

location: Maryland

date approved: 5/18/2007

last visited: 5/2/2008

Image for Mile Marker M to B 75view gallery

NENE126.7 km

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U.S. Historic Survey Stones and MonumentsMile Marker M to B 75

in U.S. Historic Survey Stones and Monuments

Mile Marker 75 Miles to Baltimore.

posted by: Groundspeak Premium Member Mountain Junkie

location: Maryland

date approved: 3/3/2008

last visited: 4/7/2008

Image for Rockville Boundary Stone - Rockville, MDview gallery

EE127 km

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Public Land Survey MarksRockville Boundary Stone - Rockville, MD

in Public Land Survey Marks

A boundary stone in front of Rockville's city hall.

posted by: Groundspeak Premium Member saopaulo1

location: Maryland

date approved: 5/29/2009

last visited: 5/30/2011

Total Records: 246 Page: 7 of 10 prev<<<[12345678910]>>>next
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