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Details for Benchmark: JV4726

N 39° 43.330 W 077° 48.263 (NAD 83)

Altitude: 545

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

Location:
In FRANKLIN county, PA View Original Datasheet
Designation:
MYRES
Marker Type:
triangulation station disk
Setting:
set into the top of a round concrete monument
Stability:

Reference Points

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This was probably one of my favorite not-founds to date. Shouldn't've been:
-Station is gone.
-RM 1 is gone.
-I'm 60 miles out.
-It's almost dark.
-Won't get home 'til 10pm.
-Will have used about $15 of gas.

But - after obtaining permission from the closest PA resident, I spot RM 2 perched atop a boundary stone (#111) just as the sun is dropping below the horizion..what a fantastic view! Took about 2 dozen different shots at varying angles - hard to choose which to post.

But back to business - the location of the station is just N of the front walk of the 2nd house in PA on the SW side - the owner was not aware of the station, but allowed me to look - no luck. RM 1 appears to have been graded out as well. Did not find AZ mark. RM 2 is in good condition - the stone appears to have been struck a few times by machinery however.

At this point, I decide to call it a day & head for home...managed one more benchmark on the way back..

[Photos:]
photoMYRES (JV4726) RM 2 disk - Franklin County, PA
photoMYRES (JV4726) RM 2 setting - looking SSE
RM 2 location N 39° 43.296 W 077° 48.272
photoMYRES (JV4726) RM 2 setting - looking WNW
photoMYRES (JV4726) RM 2 area - looking W

Documented History (by the NGS)

01/01/1935 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1935 (JB) STATION IS LOCATED ON PENNSYLVANIA SIDE OF THE PENN.-MD. STATE LINE, ABOUT 4 MILES SE OF WELSH RUN ON PROPERTY OF MRS. MOLLIE MYERS. IT IS IN THE BARNYARD, 10.9 METERS SE OF S CORNER OF A RUSTED METAL COVERED BARN, 31.5 METERS SW OF CENTER OF PAVED ROAD, 28 METERS W BY S OF A 40-INCH CHERRY TREE, 16.9 METERS S BY W OF WELL PUMP WITH CONCRETE CURB. MARK SET 4 INCHES UNDERGROUND. SURFACE, UNDERGROUND, AND AZIMUTH MARKS ARE STANDARD BRONZE DISKS SET IN CONCRETE, AS DESCRIBED IN NOTES 1A, 7A AND 11A. REFERENCE MARK NO. 2 IS SET IN TOP OF A BOUNDARY MONUMENT, AN 8- BY 8-INCH CONCRETE POST, PROJECTING ABOUT 16 INCHES. IT IS 64.691 METERS (212.24 FEET) S BY W OF STATION IN A CULTIVATED FIELD. REFERENCE MARK NO. 1 IS 29.200 METERS (95.80 FEET) E BY N OF STATION, IN E CORNER OF BARNYARD, 7 PACES SW OF CENTER OF ROAD, 3 PACES NW OF A 40-INCH CHERRY TREE. IT PROJECTS 6 INCHES. THE AZIMUTH MARK IS 0.25 MILE SE OF STATION, 5 PACES NE OF CENTER OF ROAD, 7 PACES SE OF 10-INCH LOCUST TREE, ON SW SIDE OF FENCE. IT PROJECTS 8 INCHES. TO REACH FROM WELSH RUN GO SE 4.0 MILES ON HAGERSTOWN ROAD TO STATE LINE AND STATION ON RIGHT. A 64-FOOT TOWER WAS USED. NO CUTS V.G.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in April 1998.
  • The orthometric height was scaled from a topographic map.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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