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U.S. Benchmarks
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Description:
This waymark category is for waymarking and logging any benchmarks recovered in the U.S. and other U.S. territories only.
Expanded Description:
This category is for waymarking:
  1. Benchmarks included in the National Geodetic Survey (NGS) geodetic mark database and/or the Geocaching copy of the NGS database.
  2. Disks and other types of geodetic marks that are listed in local benchmark databases on miscellaneous websites at the state, county or city level. Example: WSDOT Survey Monuments online map
  3. Benchmarks that you find, including disks that look just like geodetic disks, such as cadastral disks, right of way disks, and boundary marker disks.
  4. Auxiliary disks including Reference Mark disks and Azimuth Mark disks. (If the auxiliary disk doesn't have its own datasheet but is mentioned in a station disk's datasheet, please provide the URL of the station disk's datasheet.)

Waymarking uses the term "benchmark" to include both bench marks (vertical control) and other geodetic marks (horizontal control), and therefore this category is for waymarking both general types.

This category is fairly strictly limited to disk (and pipe cap and rod) type marks (with a photograph) for fear that too many marks that may appear to be geodetic marks, but are not, might otherwise be included. As of 2/1/2010, the following change is in effect. There are also thousands of survey marks like nails or wood stakes with painted triangles, small round washers, disks less than 2 inches in diameter, survey ribbon, and the like, making it obvious that the marker is a survey point, but this category will not include them unless they are listed in the NGS database (read next paragraph). These items that were waymarked prior to 2/1/2010 are grandfathered.

Non-disk types will be allowed if they are listed in an online database of benchmarks (such as on Geocaching.com) and include objects such as lookout towers, nails, bolts, spires, chiseled squares, etc. Non disk-type survey marks that aren't listed in an official online database may qualify for submission into the Public Land Survey Marks category (such as property, boundary and right of way markers)

The Agency dropdown menu will grow (manually by the category manager) with mark recoveries.

As of 6/30/2015, any benchmark recovered as 'destroyed' will NOT be accepted into this category. Prior approved destroyed benchmarks are grandfathered. If you have any questions regarding a destroyed benchmark, please contact one of the category officers prior to submitting a waymark.

Curious to learn more about benchmarks and other survey marks? Follow the Groundspeak forum under Benchmarking for new posts and other information from fellow benchmarkers.

Want to help the National Geodetic Survey (NGS) professionals by submitting your benchmark recoveries to their NGS database? Learn how, by visiting their GPS on Benchmarks web page.

Instructions for Posting a U.S. Benchmarks Waymark:
As of 2/1/2010, the following change is in effect. There are also thousands of survey marks like nails or wood stakes with painted triangles, small round washers, disks less than 2 inches in diameter, survey ribbon, and the like, making it obvious that the marker is a survey point, but this category will not include them. These items that were waymarked prior to 2/1/2010 are grandfathered.
  1. A closeup photo of the disk taken by you is required.
    If a metal rod - a photo of the rod under the cover and showing designation on the cover collar is required. rod example
    A second photo taken a few feet from the disk with the disk in view is a very welcome addition!
  2. A description of how to locate the disk is required in the Long Description field. This is particularly important for those marks not listed in an online database.
    Example: 14 feet NE of a 4-inch oak tree and 7 feet W of the face of the curb of Main Street.
    Example: 8 inches inside of the SW corner of the bridge.
    Note: Only general detail is required if the position of the disk is made clear in the second photo.
    Example: near the NW corner of the intersection of 7th Street and Maple Avenue.
  3. Coordinates based on reading your GPS receiver are required. You must use either NAD83 or WGS84 datum.
  4. If you used an online database to find the mark, use either A or B below as applicable.

    1. If you used an online database (Geocaching's, NGS, or a local database) that has an individual URL for each benchmark's datasheet, provide the URL of the benchmark's individual datasheet in the "Web address of this benchmark's datasheet" variable.
    2. If you used an online local benchmark database that does not have an individual URL for each benchmark's datasheet, provide the URL of the database in the "Local database's URL" variable.
Instructions for Visiting a Waymark in this Category:
  1. A closeup photo of the mark taken by you is required.
  2. A 'distant' photo including the mark in the view is highly recommended. Include the compass direction you faced when you took the picture.
Category Settings:
  • Waymarks can be added to this category
  • New waymarks of this category are reviewed by the category group prior to being published
  • Category is visible in the directory
Variables:
  • Condition
  • Designation
  • Benchmark Agency
  • Benchmark Agency (if other)
  • Monumentation type
  • Monumentation type (if other)
  • County
  • USGS 7.5' Topographic Quadrangle Name (optional)
  • Special category (optional)
  • Special Category (if other)
  • Find type
  • Web address of this benchmark's datasheet (optional)
  • NGS PID
  • Local database's URL (optional)
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Currently displaying U.S. Benchmarks

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Total Records: 14032 Page: 1 of 562 prev<<<[12345678910]>>>next
Image for A.D.O.T. Marker 3846.13 - Highway 87, AZview gallery
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U.S. BenchmarksA.D.O.T. Marker 3846.13 - Highway 87, AZ

in U.S. Benchmarks

This marker is along the edge of the Highway 87 right of way in the Tonto National Forest.

posted by: Groundspeak Premium Member rjmcdonough1

location: Arizona

date approved: 4/21/2018

last visited: never

Image for Reference Mark 'C' - GR0588 - Hoover Dam, AZview gallery
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U.S. BenchmarksReference Mark 'C' - GR0588 - Hoover Dam, AZ

in U.S. Benchmarks

One of many marks set in the dam, personal coordinates used.

posted by: Groundspeak Premium Member ChapterhouseInc

location: Arizona

date approved: 4/19/2018

last visited: 3/29/2018

Image for RD2730 - OSHD 'S 157 1941' BM - Tigard, ORview gallery
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U.S. BenchmarksRD2730 - OSHD 'S 157 1941' BM - Tigard, OR

in U.S. Benchmarks

An NGS benchmark located at ta railroad overpass in Tigard.

posted by: Groundspeak Premium Member NW_history_buff

location: Oregon

date approved: 4/17/2018

last visited: never

Image for 6905 B - Ely, MNview gallery
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U.S. Benchmarks6905 B - Ely, MN

in U.S. Benchmarks

Geodetic Control Mark - 6905 B

posted by: Groundspeak Premium Member SoulDragon

location: Minnesota

date approved: 4/17/2018

last visited: never

Image for RD2729 - USC&GS 'TIGARD' Triangulation Station - Tigard, ORview gallery
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U.S. BenchmarksRD2729 - USC&GS 'TIGARD' Triangulation Station - Tigard, OR

in U.S. Benchmarks

An NGS triangulation station monumented at a railroad overpass in Tigard.

posted by: Groundspeak Premium Member NW_history_buff

location: Oregon

date approved: 4/17/2018

last visited: never

Image for OSHD 'T 157 1941' BM - Tigard, ORview gallery
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U.S. BenchmarksOSHD 'T 157 1941' BM - Tigard, OR

in U.S. Benchmarks

An Oregon State Highway Dept. BM located at a bridge overpass in Tigard.

posted by: Groundspeak Premium Member NW_history_buff

location: Oregon

date approved: 4/17/2018

last visited: never

Image for OSHD 'W.C. 36' BM - Tigard, ORview gallery
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U.S. BenchmarksOSHD 'W.C. 36' BM - Tigard, OR

in U.S. Benchmarks

An Oregon State Highway Division BM located at a bridge along SW Hall Blvd.

posted by: Groundspeak Premium Member NW_history_buff

location: Oregon

date approved: 4/17/2018

last visited: never

Image for NDOT '1060004 2008' Control Monument - Mina, NVview gallery
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U.S. BenchmarksNDOT '1060004 2008' Control Monument - Mina, NV

in U.S. Benchmarks

A Nevada DOT control monument in Mina.

posted by: Groundspeak Premium Member NW_history_buff

location: Nevada

date approved: 4/9/2018

last visited: never

Image for AH8153 - USGS 'BELL' Reference Mark 2 - Mineral County, NVview gallery
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U.S. BenchmarksAH8153 - USGS 'BELL' Reference Mark 2 - Mineral County, NV

in U.S. Benchmarks

An NGS reference marks as part of the BELL series of marks located just off Hwy 360.

posted by: Groundspeak Premium Member NW_history_buff

location: Nevada

date approved: 4/9/2018

last visited: never

Image for AH8153 - USGS 'BELL' Reference Mark 1 - Mineral County, NVview gallery
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U.S. BenchmarksAH8153 - USGS 'BELL' Reference Mark 1 - Mineral County, NV

in U.S. Benchmarks

An NGS reference marks as part of the BELL series of marks located just off Hwy 360.

posted by: Groundspeak Premium Member NW_history_buff

location: Nevada

date approved: 4/9/2018

last visited: never

Image for AH8153 - USGS 'BELL' Triangulation Station - Mineral County, NVview gallery
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U.S. BenchmarksAH8153 - USGS 'BELL' Triangulation Station - Mineral County, NV

in U.S. Benchmarks

An NGS triangulation station as part of the 'BELL' series of marks located just of Hwy 360.

posted by: Groundspeak Premium Member NW_history_buff

location: Nevada

date approved: 4/9/2018

last visited: never

Image for JR0252 - USC&GS 'L 359' BM - Mineral County, NVview gallery
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U.S. BenchmarksJR0252 - USC&GS 'L 359' BM - Mineral County, NV

in U.S. Benchmarks

An NGS benchmark located south of Hwy 360.

posted by: Groundspeak Premium Member NW_history_buff

location: Nevada

date approved: 4/9/2018

last visited: never

Image for HQ0339 - USC&GS 'K 15' BM - Goldfield, NVview gallery
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U.S. BenchmarksHQ0339 - USC&GS 'K 15' BM - Goldfield, NV

in U.S. Benchmarks

An NGS benchmark located in front of the former Goldfield Hotel.

posted by: Groundspeak Premium Member NW_history_buff

location: Nevada

date approved: 4/7/2018

last visited: never

Image for HQ0340 - USC&GS 'T 134' BM - Goldfield, NVview gallery
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U.S. BenchmarksHQ0340 - USC&GS 'T 134' BM - Goldfield, NV

in U.S. Benchmarks

An NGS benchmark located at the courthouse in Goldfield.

posted by: Groundspeak Premium Member NW_history_buff

location: Nevada

date approved: 4/7/2018

last visited: never

Image for Bradley Land Surveyors - Columbia County, FLview gallery
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U.S. BenchmarksBradley Land Surveyors - Columbia County, FL

in U.S. Benchmarks

Jacksonville, FL disc on ground indicating survey marker.

posted by: Groundspeak Premium Member Dick&Julbug

location: Florida

date approved: 4/4/2018

last visited: never

Image for DG4047 - NGS 'Beatty High School Center of Population' Survey Monument - Beatty, NVview gallery
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U.S. BenchmarksDG4047 - NGS 'Beatty High School Center of Population' Survey Monument - Beatty, NV

in U.S. Benchmarks

One of the coolest NGS benchmarks I've recovered - the center of the population of the state of Nevada!

posted by: Groundspeak Premium Member NW_history_buff

location: Nevada

date approved: 4/4/2018

last visited: never

Image for GS0295 - USGS 'N 16' BM - Beatty, NVview gallery
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U.S. BenchmarksGS0295 - USGS 'N 16' BM - Beatty, NV

in U.S. Benchmarks

This NGS benchmark is located in an empty lot close to the Beatty History Museum.

posted by: Groundspeak Premium Member NW_history_buff

location: Nevada

date approved: 4/4/2018

last visited: never

Image for JR0085 - USC&GC 'E 359' BM - Hawthorne, NVview gallery
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U.S. BenchmarksJR0085 - USC&GC 'E 359' BM - Hawthorne, NV

in U.S. Benchmarks

A NGS benchmark located at a gymnasium in Hawthorne.

posted by: Groundspeak Premium Member NW_history_buff

location: Nevada

date approved: 4/4/2018

last visited: never

Image for BN0367 - A 77 - Menard, TXview gallery
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U.S. BenchmarksBN0367 - A 77 - Menard, TX

in U.S. Benchmarks

Located along Gay Street near the Menard County Courthouse. Location on NGS map isn't even close to its actual location.

posted by: Groundspeak Regular Member WalksfarTX

location: Texas

date approved: 4/2/2018

last visited: never

Image for US Coast and Geodetic Survey Reference Mark 3 - CIRCLE - Brigantine, NJview gallery
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U.S. BenchmarksUS Coast and Geodetic Survey Reference Mark 3 - CIRCLE - Brigantine, NJ

in U.S. Benchmarks

A USCGS Reference Mark located east of the Brigantine Lighthouse traffic circle.

posted by: Groundspeak Premium Member jiggs11

location: New Jersey

date approved: 3/30/2018

last visited: never

Image for NJ Geodetic Control Survey Station 1F5 - Atlantic City, NJview gallery
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U.S. BenchmarksNJ Geodetic Control Survey Station 1F5 - Atlantic City, NJ

in U.S. Benchmarks

New (2017) survey disk located at the entrance to Absecon Lighthouse in Atlantic City.

posted by: Groundspeak Premium Member jiggs11

location: New Jersey

date approved: 3/30/2018

last visited: never

Image for Pinal Pioneer Parkway Marker - Florence, AZview gallery
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U.S. BenchmarksPinal Pioneer Parkway Marker - Florence, AZ

in U.S. Benchmarks

This marker is at the base of the sign identifying the Pinal Pioneer Parkway, Hwy.79, south of Florence Arizona.

posted by: Groundspeak Premium Member rjmcdonough1

location: Arizona

date approved: 3/28/2018

last visited: never

Image for A.D.O.T. Marker LS 31034 - Florence Junction, AZview gallery
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U.S. BenchmarksA.D.O.T. Marker LS 31034 - Florence Junction, AZ

in U.S. Benchmarks

This marker is at the fence line marking the southern edge of the U.S. 60 alignment.

posted by: Groundspeak Premium Member rjmcdonough1

location: Arizona

date approved: 3/28/2018

last visited: never

Image for EB2834 GIBSON 1933view gallery
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U.S. BenchmarksEB2834 GIBSON 1933

in U.S. Benchmarks

This marker is one of many at the NC/SC border crossing in Gibson, NC. It takes a bit brush bending to get access as it is in the middle of a clump of bushes.

posted by: Groundspeak Premium Member NCDaywalker

location: North Carolina

date approved: 3/26/2018

last visited: never

Image for AG9801 10 WC 9view gallery
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U.S. BenchmarksAG9801 10 WC 9

in U.S. Benchmarks

This marker is easily found when approaching the utility pole directly behind the marker.

posted by: Groundspeak Premium Member NCDaywalker

location: North Carolina

date approved: 3/23/2018

last visited: never

Total Records: 14032 Page: 1 of 562 prev<<<[12345678910]>>>next
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