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Details for Benchmark: MB0987

N 41° 56.650 W 080° 33.383 (NAD 83)

Altitude: 661.18

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

Location:
In ASHTABULA county, OH View Original Datasheet
Designation:
CONNEAUT
Marker Type:
bench mark disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Geocaching, and hunting benchmarks has us looking at things in a whole new light.

[Photos:]
photoMB0987-1
photoMB0987-2

Nice little trip to Conneaut today. Got in a few benchmarks before it started to rain.

[Photos:]
photoMB0987
Conneaut Post Office - MB0987
photoMB0987 (2)
The view north from the corner.

The mark is in good condition at N 41° 56.651 W 080° 33.376.

[Photos:]
photoMB0987(CONNEAUT) - Conneaut OH
photoMB0987 - Looking N from mark
photoMB0987 - Looking W from mark
photoMB0987 - Looking S from mark
photoMB0987 - Looking N toward mark(distant view)

Spotted from car as traveling home to Hannibal, MO.

[Photos:]
photoBenchmark
photoStreet view of benchmark location

one of several benchmark finds today. KarenMarie

[Photos:]
photoPicture 029.jpg
photoPicture 030.jpg

Mark located as described in good condition.

Found during a cache run over to Ohio.

[Photos:]
photoBenchmark...
photoBenchmark position...

Decided to try Benchmark searches...found this one.

After finding the nearby Health Trail and Natures Nook Geocaches, Geauga Garmin had to mail a letter and we found this benchmark around the corner from the mail box. GG will upload photos to varify our find.

zoisrus

Found it with Zoisrus. Will upload photo tomorrow.

found

Documented History (by the NGS)

01/01/1934 by CGS (MONUMENTED)
01/01/1941 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1941 AT CONNEAUT. AT CONNEAUT, ASHTABULA COUNTY, AT THE SOUTHEAST CORNER OF THE FOUNDATION OF THE POST OFFICE, IN THE EAST WALL, 6 INCHES FROM THE CORNER, AND 1-1/2 FEET ABOVE THE GROUND. A STANDARD DISK, STAMPED CONNEAUT 1934 AND SET VERTICALLY.
01/01/1981 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1981 RECOVERED IN GOOD CONDITION. NEW DESCRIPTION FOLLOWS. IN CONNEAUT, AT THE NORTHWEST ANGLE OF THE INTERSECTION OF STATE AND BROAD STREETS, SET VERTICALLY IN THE EAST FACE OF THE US POST OFFICE AND NEAR THE SOUTHEAST CORNER OF THE BUILDING, 8.23 METERS (27.0 FEET) WEST OF THE WEST CURB OF BROAD STREET, 7.62 METERS (25.0 FEET) NORTH OF THE NORTH CURB OF STATE STREET AND 0.18 METER (0.6 FEET) NORTH OF THE SOUTHEAST CORNER OF THE BUILDING. THE MARK IS 0.60 M ABOVE THE SIDEWALK.
01/01/1988 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1988 (KB) RECOVERED IN GOOD CONDITION.
01/01/1990 by OHDT (GOOD)
RECOVERY NOTE BY OHIO DEPARTMENT OF TRANSPORTATION 1990 (PT) RECOVERED IN GOOD CONDITION.
08/20/1992 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1992 (BO) 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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