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Details for Benchmark: MB1128

N 41° 09.700 W 081° 21.417 (NAD 83)

Altitude: 1047

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

Location:
In PORTAGE county, OH View Original Datasheet
Designation:
425 BORR
Marker Type:
bolt
Setting:
massive structures
Stability:
Probably hold position/elevation well.

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Examined area described. Mark not found.

Documented History (by the NGS)

01/01/1903 by BORR (MONUMENTED)
DESCRIBED BY BALTIMORE AND OHIO RAILROAD 1903 3.5 MI E FROM KENT. 3 1/2 MILES EAST ALONG THE BALTIMORE AND OHIO RAILROAD FROM KENT, PORTAGE COUNTY, AT BRIDGE 33, AND IN THE NORTH END OF THE EAST ABUTMENT. A COPPER BOLT.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.
  • The geoid height was determined by GEOID99.

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