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Details for Benchmark: MB0988

N 41° 56.650 W 080° 33.317 (NAD 83)

Altitude: 660.28

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

Location:
In ASHTABULA county, OH View Original Datasheet
Designation:
662
Marker Type:
survey disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Adding another BM to the list.

[Photos:]
photoMB0988_01
photoMB0988_02

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

[Photos:]
photoMB0988
Conneaut benchmark MB0988
photoMB0988 (2)
The view north from the corner.

The mark is in good condition at N 41° 56.652 W 080° 33.302. The old Cleveland Hotel is now being converted into condominiums.

[Photos:]
photoMB0988(662) - Conneaut OH
photoMB0988- Looking N toward mark
photoMB0988 - Looking E from mark
photoMB0988 - Looking W from mark
photoMB0988 - Condominiums coming soon

my first benchmark find. KarenMarie

[Photos:]
photoPicture 026.jpg
photoPicture 027.jpg

Found during a cache run over to Ohio.

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

Found and decided to check out the area....

building is up for sale

Documented History (by the NGS)

Unknown by USGS (MONUMENTED)
01/01/1941 by USGS (GOOD)
DESCRIBED BY US GEOLOGICAL SURVEY 1941 AT CONNEAUT. AT CONNEAUT, ASHTABULA COUNTY, AT THE SOUTHEAST CORNER OF THE CLEVELAND HOTEL, IN THE SOUTH WALL, 10 INCHES FROM THE CORNER, AND 18 INCHES ABOVE THE SIDEWALK. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED 662 CLEVE AND SET VERTICALLY. NOTE-- THE NUMBER HAS BEEN STAMPED VERY LIGHT AND IS HARDLY READABLE.
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 JUNCTION OF STATE STREET AND CLEVELAND COURT, THE MARK IS SET VERTICALLY IN THE SOUTH FACE AND NEAR THE SOUTHEAST CORNER OF THE OLD CLEVELAND HOTEL BUILDING NOW HOUSED BY THE CONNEAUT SUB SHOP AND THE CHATEAU LOUNGE, 5.70 METERS (14.7 FEET) WEST OF THE WEST CURB OF CLEVELAND COURT, 4.48 METERS (18.7 FEET) NORTH OF THE NORTH CURB OF STATE STREET AND 0.30 METER (1.0 FEET) WEST OF THE SOUTHEAST CORNER OF THE BUILDING. NOTE--THE STAMPING ON THE MARK IS VERY LIGHT AND HARDLY LEGIBLE. THE MARK IS 0.55 M ABOVE SIDEWALK.
01/01/1988 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1988 (KB) RECOVERED IN GOOD CONDITION.
06/16/1996 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1996 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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