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Details for Benchmark: MB2376

N 41° 06.982 W 081° 03.060 (NAD 83)

Altitude: 1078

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

Location:
In PORTAGE county, OH View Original Datasheet
Designation:
62 314 1 P CO
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:
May hold, but of type commonly subject to surface motion.

Reference Points

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The mark is in good condition at the posted coordinates.

[Photos:]
photoMB2376(62 314 1 P CO) - Palmyra Twp Portage Co OH
photoMB2376 - Looking N on SR 225
photoMB2376 - Looking E from mark
photoMB2376 - Looking W from mark
photoMB2376 - Looking S on SR 225

Documented History (by the NGS)

01/01/1977 by OH-133 (MONUMENTED)
DESCRIBED BY PORTAGE COUNTY OHIO 1977 (GLW) THE STATION IS ABOUT 4-3/4 MILES NORTHEAST OF YALE, 3-1/2 MILES SOUTH-SOUTHEAST OF WAYLAND, 1-1/4 MILES NORTH OF PALMYRA, AND ON THE RIGHT-OF-WAY OF STATE ROUTE 225. TO REACH THE STATION FROM THE INTERSECTION OF STATE ROUTE 225 AND TALLMADGE ROAD, COUNTY HIGHWAY 18, IN PALMYRA, GO NORTH ON STATE ROUTE 225 FOR 0.2 MILE TO AZIMUTH MARK 62 102 1 P CO ON THE LEFT. CONTINUE NORTH ON STATE ROUTE 225 FOR 1.0 MILE TO THE STATION ON THE RIGHT. CONTINUE NORTH ON STATE ROUTE 225 FOR 0.15 MILE TO AZIMUTH MARK 62 311 1 P CO ON THE LEFT. STATION MARKS, STAMPED---62-314-1 1977---, ARE PORTAGE COUNTY BRASS DISKS. THE SURFACE DISK IS SET IN THE TOP OF A 12-INCH CYLINDRICAL CONCRETE POST THAT IS FLUSH WITH THE GROUND SURFACE. IT IS 90.8 FEET NORTH OF POWER POLE NUMBER 214 BY, 78.4 FEET SOUTH OF POWER POLE NUMBER PA 1154, 20.2 FEET EAST OF THE CENTERLINE OF STATE ROUTE 225, AND 11.4 FEET WEST OF A 5-INCH PINE TREE. THE UNDERGROUND DISK IS SET IN AN IRREGULAR MASS OF CONCRETE ABOUT 42 INCHES BELOW THE GROUND SURFACE. AZIMUTH MARK 62 102 1 P CO, STAMPED---62-102-1 1977---, IS A PORTAGE COUNTY BRASS DISK SET IN THE TOP OF A 12-INCH CYLINDRICAL CONCRETE POST THAT IS FLUSH WITH THE GROUND SURFACE. IT IS 69.5 FEET NORTHEAST OF THE NORTHEAST CORNER OF A HOUSE, ADDRESS NUMBER 1109, 31.9 FEET SOUTHEAST OF TELEPHONE AND POWER POLE NUMBER PA 1199, 20.6 FEET SOUTHEAST OF A 16-INCH MAPLE TREE, AND 18.4 FEET WEST OF THE CENTERLINE OF STATE ROUTE 225. AZIMUTH MARK 62 311 1 P CO, STAMPED---62-311-1 1977, IS A PORTAGE COUNTY BRASS DISK SET IN ROCK THAT IS 8-INCHES BELOW THE GROUND SURFACE. IT IS 82.0 FEET NORTH- NORTHEAST OF A 24-INCH MAPLE TREE, 43.8 FEET NORTH-NORTHEAST OF A 14-INCH MAPLE TREE, 20.8 FEET EAST OF THE CENTERLINE OF STATE ROUTE 225, AND 15.6 FEET SOUTHEAST OF A TELEPHONE POLE NUMBER 171. NO REFERENCE MARKS ESTABLISHED FOR THIS STATION. HEIGHT OF LIGHT ABOVE STATION MARK WAS 1.6 METERS. DESCRIBED BY F.J. PINTER.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in April 1998.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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