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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: 14454 Page: 1 of 579 prev<<<[12345678910]>>>next
Image for NPS Benchmark - Fredericksburg, Virginiaview gallery
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U.S. BenchmarksNPS Benchmark - Fredericksburg, Virginia

in U.S. Benchmarks

A U.S. Department of Interior, National Park Service disk in the Fredericksburg Battlefield.

posted by: Groundspeak Premium Member NCPositronics

location: Virginia

date approved: 10/17/2019

last visited: 10/17/2019

Image for BL1160 - "R 1203" vertical control mark - Conroe, TXview gallery
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U.S. BenchmarksBL1160 - "R 1203" vertical control mark - Conroe, TX

in U.S. Benchmarks

This benchmark is located just north of Avenue G several feet west of its intersection with the railroad tracks in Conroe, Texas.

posted by: Groundspeak Premium Member Raven

location: Texas

date approved: 10/17/2019

last visited: 8/30/2019

Image for BL1164 - "L 1149" bench mark disk - Conroe, TXview gallery
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U.S. BenchmarksBL1164 - "L 1149" bench mark disk - Conroe, TX

in U.S. Benchmarks

This benchmark is located near the railroad tracks jsut south of Foster Drive at its intersection with Frazier Street in Conroe, Texas.

posted by: Groundspeak Premium Member Raven

location: Texas

date approved: 10/17/2019

last visited: 8/30/2019

Image for BL1166 - "Q 88" bench mark disk - Conroe, TXview gallery
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U.S. BenchmarksBL1166 - "Q 88" bench mark disk - Conroe, TX

in U.S. Benchmarks

This benchmark is located near the railroad tracks south of Crighton Road (and a little of East of I-45) just south of Conroe, Texas.

posted by: Groundspeak Premium Member Raven

location: Texas

date approved: 10/17/2019

last visited: 8/30/2019

Image for BL1169 - "R 88" bench mark disk - The Woodlands, TXview gallery
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U.S. BenchmarksBL1169 - "R 88" bench mark disk - The Woodlands, TX

in U.S. Benchmarks

This benchmark is located on a culvert by the railroad tracks just west of Sherwood Circle as it turns North-South to East-West near The Woodlands, Texas.

posted by: Groundspeak Premium Member Raven

location: Texas

date approved: 10/17/2019

last visited: 8/30/2019

Image for BL1173 - "T 88" bench mark disk - Oak Ridge North, TXview gallery
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U.S. BenchmarksBL1173 - "T 88" bench mark disk - Oak Ridge North, TX

in U.S. Benchmarks

This benchmark is located near the railroad tracks just west of Old Hardy Road near Oak Ridge North (a community just north of Spring), Texas.

posted by: Groundspeak Premium Member Raven

location: Texas

date approved: 10/17/2019

last visited: 8/28/2019

Image for BL2016 - "C 1513" metal rod - Oak Ridge North, TXview gallery
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U.S. BenchmarksBL2016 - "C 1513" metal rod - Oak Ridge North, TX

in U.S. Benchmarks

This benchmark is located near the railroad tracks at its intersection with Richards Road near Oak Ridge North (a community just north of Spring), Texas.

posted by: Groundspeak Premium Member Raven

location: Texas

date approved: 10/17/2019

last visited: 8/27/2019

Image for BL2017 - "B 1513" metal rod - Spring, TXview gallery
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U.S. BenchmarksBL2017 - "B 1513" metal rod - Spring, TX

in U.S. Benchmarks

This benchmark is located near the Northeast corner of the intersection between Spring Hill Drive and Lazy Lane in Spring, Texas.

posted by: Groundspeak Premium Member Raven

location: Texas

date approved: 10/17/2019

last visited: 8/27/2019

Image for Mt. Carmel RM 2 (GH0737) - Noble County, Oklahomaview gallery
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U.S. BenchmarksMt. Carmel RM 2 (GH0737) - Noble County, Oklahoma

in U.S. Benchmarks

This survey marker is located near the entrance to Mt. Carmel Cemetery, southwest of I-35 and Highway 42

posted by: Groundspeak Premium Member Max and 99

location: Oklahoma

date approved: 10/14/2019

last visited: never

Image for BM0038 - "BRYAN RM 2" reference mark disk - Bryan, TXview gallery
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U.S. BenchmarksBM0038 - "BRYAN RM 2" reference mark disk - Bryan, TX

in U.S. Benchmarks

This benchmark is located by the north sidewalk of 30th Street near one of the parking entrances to Fannin Elementary School in Bryan, Texas.

posted by: Groundspeak Premium Member Raven

location: Texas

date approved: 10/14/2019

last visited: 8/10/2019

Image for "BRYAN" azimuth mark - Bryan, TXview gallery
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U.S. Benchmarks"BRYAN" azimuth mark - Bryan, TX

in U.S. Benchmarks

This benchmark is located at the curb of 811 30th Street (near the entrance of a private residence) in Bryan, Texas. It is not listed in the NGS database -- probably because the original horizontal reference mark is considered destroyed/removed.

posted by: Groundspeak Premium Member Raven

location: Texas

date approved: 10/14/2019

last visited: 8/10/2019

Image for The State of Maryland Offical Survey Mark - College Park, MDview gallery
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U.S. BenchmarksThe State of Maryland Offical Survey Mark - College Park, MD

in U.S. Benchmarks

A survey marker at the University of Maryland.

posted by: Groundspeak Premium Member bluesnote

location: Maryland

date approved: 10/9/2019

last visited: never

Image for Salt River Canyon Bridge R.P. 4430 - Gila County, AZview gallery
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U.S. BenchmarksSalt River Canyon Bridge R.P. 4430 - Gila County, AZ

in U.S. Benchmarks

The marker is located atop the southwest buttress of the historic Salt River Canyon bridge.

posted by: Groundspeak Premium Member rjmcdonough1

location: Arizona

date approved: 10/3/2019

last visited: never

Image for Salt River Canyon Bridge Elevation Marker 3420 - Gila County, AZview gallery
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U.S. BenchmarksSalt River Canyon Bridge Elevation Marker 3420 - Gila County, AZ

in U.S. Benchmarks

The marker is located on the southwest buttress of the historic Salt River Canyon bridge.

posted by: Groundspeak Premium Member rjmcdonough1

location: Arizona

date approved: 10/3/2019

last visited: never

Image for Benchmark FJ0939 - Municipal Water Tank - Washington, OKview gallery
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U.S. BenchmarksBenchmark FJ0939 - Municipal Water Tank - Washington, OK

in U.S. Benchmarks

Benchmark FJ0939 is located at the apex of the municipal water tower on the south side of Washington.

posted by: Groundspeak Premium Member hamquilter

location: Oklahoma

date approved: 10/2/2019

last visited: never

Image for CZ1851 - TUCSON UNIV ARIZ OBS DOME - Tucson, AZview gallery
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U.S. BenchmarksCZ1851 - TUCSON UNIV ARIZ OBS DOME - Tucson, AZ

in U.S. Benchmarks

The top of the old 1919 Steward Observatory dome on the University of Arizona's main campus in Tuscon is a NGS benchmark ("CZ1851").

posted by: Groundspeak Premium Member Raven

location: Arizona

date approved: 10/2/2019

last visited: 9/7/2019

Image for CZ1469 - "U 19 RESET" vertical control mark - Tucson, AZview gallery
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U.S. BenchmarksCZ1469 - "U 19 RESET" vertical control mark - Tucson, AZ

in U.S. Benchmarks

This benchmark is located behind the NW corner of the old Pima County Courthouse, right by one of the main entrances to the city's El Presidio historical park.

posted by: Groundspeak Premium Member Raven

location: Arizona

date approved: 10/2/2019

last visited: 9/7/2019

Image for NH1123 - RICHMOND MUNICIPAL TANK - Richmond, ILview gallery
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U.S. BenchmarksNH1123 - RICHMOND MUNICIPAL TANK - Richmond, IL

in U.S. Benchmarks

Located at the northern edge of Richmond, IL along Main St. (US 12), the ball at the apex of the roof of this old 1917 water tank is a NGS benchmark ("NH1123"). A more "standard" benchmark is located at the base of its northwestern leg as well.

posted by: Groundspeak Premium Member Raven

location: Illinois

date approved: 10/2/2019

last visited: 5/11/2019

Image for NH0892 - "T 17 RESET" vertical control mark - Algonquin, ILview gallery
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U.S. BenchmarksNH0892 - "T 17 RESET" vertical control mark - Algonquin, IL

in U.S. Benchmarks

This benchmark is embedded in the SW corner of the Algonquin State Bank's building located on 221 S Main St, Algonquin, IL.

posted by: Groundspeak Premium Member Raven

location: Illinois

date approved: 10/2/2019

last visited: 5/11/2019

Image for U.S. Coast Guard No 1 Elevation Mark - Ocean City, MDview gallery
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U.S. BenchmarksU.S. Coast Guard No 1 Elevation Mark - Ocean City, MD

in U.S. Benchmarks

A benchmark located on the Mason Dixon line in Fenwick Island, DE / Ocean City, MD

posted by: Groundspeak Premium Member bluesnote

location: Maryland

date approved: 9/27/2019

last visited: never

Image for Arizona Highway Dept. Marker 19 - San Tan Valley, AZview gallery
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U.S. BenchmarksArizona Highway Dept. Marker 19 - San Tan Valley, AZ

in U.S. Benchmarks

This marker is located next to an irrigation ditch in San Tan Valley.

posted by: Groundspeak Premium Member rjmcdonough1

location: Arizona

date approved: 9/26/2019

last visited: never

Image for DI4008(E 647) - Indian River County FLview gallery
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U.S. BenchmarksDI4008(E 647) - Indian River County FL

in U.S. Benchmarks

This is a National Geodetic Survey survey rod in the southwest angle of 20th Avenue and 5th Street Southwest in Indian River County.

posted by: Groundspeak Premium Member shorbird

location: Florida

date approved: 9/19/2019

last visited: never

Image for DI4006(Q 646) - Indian River County FLview gallery
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U.S. BenchmarksDI4006(Q 646) - Indian River County FL

in U.S. Benchmarks

This is a Florida Department of Environmental Protection survey disk in the southwest angle of 27th Avenue and 8th Street in Indian River County.

posted by: Groundspeak Premium Member shorbird

location: Florida

date approved: 9/19/2019

last visited: never

Image for DI4005(P 646) - Indian River County FLview gallery
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U.S. BenchmarksDI4005(P 646) - Indian River County FL

in U.S. Benchmarks

This is a Florida Department of Environmental Protection survey disk in the southeast angle of 27th Avenue and 1st Street Southwest in Indian River County.

posted by: Groundspeak Premium Member shorbird

location: Florida

date approved: 9/19/2019

last visited: never

Image for DI4003(C 645) - Indian River County FLview gallery
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U.S. BenchmarksDI4003(C 645) - Indian River County FL

in U.S. Benchmarks

This is a Florida Department of Environmental Protection survey disk in the northeast angle of 27th Avenue and 17th Lane Southwest in Indian River County.

posted by: Groundspeak Premium Member shorbird

location: Florida

date approved: 9/19/2019

last visited: never

Total Records: 14454 Page: 1 of 579 prev<<<[12345678910]>>>next
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