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Details for Benchmark: MB2407

N 41° 04.375 W 081° 01.150 (NAD 83)

Altitude: 1018

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

Location:
In PORTAGE county, OH View Original Datasheet
Designation:
62 404 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:]
photoMB2407(62 404 1 P CO) - Palmyra Twp Portage Co OH
photoMB2407 - Looking N toward 10311 Williams Rd.
photoMB2407 - Looking E on Williams Rd.
photoMB2407 - Looking W on Williams Rd.
photoMB2407 - Looking S from mark

Documented History (by the NGS)

01/01/1977 by OH-133 (MONUMENTED)
DESCRIBED BY PORTAGE COUNTY OHIO 1977 (GLW) THE STATION IS ABOUT 4-1/2 MILES NORTHEAST OF YALE, 2-1/2 MILES SOUTHEAST OF PALMYRA, AND 4 MILES NORTHEAST OF DEERFIELD, IN THE RIGHT-OF-WAY OF WILLIAMS ROAD, COUNTY HIGHWAY 131. TO REACH THE STATION FROM PALMYRA AT THE INTERSECTION OF STATE ROUTE 225 AND COUNTY HIGHWAY 18, TALLMADGE ROAD, GO EAST ON TALLMADGE ROAD FOR 2.0 MILES TO THE INTERSECTION OF COUNTY HIGHWAY 136, JONES ROAD. TURN RIGHT ON JONES ROAD AND GO SOUTH FOR 1.8 MILES TO THE INTERSECTION OF WILLIAMS ROAD AND AZIMUTH MARK 62 402 1 P CO. TURN RIGHT ON WILLIAMS ROAD AND GO WEST FOR 0.35 MILE TO THE STATION ON THE RIGHT. GO WEST ON WILLIAMS ROAD FOR 0.4 MILE TO THE CURVE IN THE ROAD AND AZIMUTH MARK 62 406 1 P CO ON THE LEFT. STATION MARKS, STAMPED---62-404-1 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. IT IS IN THE LAWN OF A TWO-STORY FRAME HOUSE, ADDRESS NUMBER 10311, 32.0 FEET NORTHWEST OF A DOUBLE-TRUNKED 10-INCH MAPLE TREE, 26.2 FEET SOUTHEAST OF POWER POLE NUMBER PA 495, AND 16.7 FEET NORTH OF THE CENTERLINE OF WILLIAMS ROAD. THE UNDERGROUND DISK IS SET IN AN IRREGULAR MASS OF CONCRETE ABOUT 42 INCHES BELOW THE GROUND SURFACE. AZIMUTH MARK 62 402 1 P CO, STAMPED---62-402-1 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 61.7 FEET EAST OF POWER POLE NUMBER PA 1239, 20.5 FEET NORTHWEST OF POWER POLE NUMBER PA 501, AND 18.0 FEET SOUTH OF THE INTERSECTION OF JONES AND WILLIAMS ROADS. AZIMUTH MARK 62 406 1 P CO, STAMPED---62-406-1 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 48.5 FEET SOUTHEAST OF A TALL 10-INCH PINE TREE, 30.0 FEET EAST OF THE END OF A WOODEN RAIL FENCE POST (THIRD POST FROM GARAGE), 30.0 FEET NORTHWEST OF A 14-INCH MAPLE TREE, AND 18.0 FEET SOUTH OF THE CENTERLINE OF WILLIAMS ROAD. 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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