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Details for Benchmark: LX6490

N 41° 15.119 W 072° 57.387 (NAD 83)

Altitude: 0

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

Location:
In NEW HAVEN county, CT View Original Datasheet
Designation:
BARNACLE
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:
Most reliable and expected to hold position/elevation well.

Reference Points

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As have many others, found easily.

[Photos:]
photobenchmark LX6490 bolt 1
photobenchmark LX6490 bolt 1 close
photobenchmark LX6490 bolt 2
photobenchmark LX6490 disc 2
photobenchmark LX6490 disc 2 close

Found by guessing it had to be there.

[Photos:]
photoP3050001.JPG
photoP3050002.JPG
photoP3050003.JPG

Found while out caching today. Two pins in rock with triangles and one disk with a circle around it.

Benchmark disk is still there....it is located north of the barnacle mark...about 5-10 feet

Benchmark disk is still there....it is located north of the barnacle mark...about 5-10 feet

Found this benchmark while hunting for a nearby geocache. The benchmark is a steel rod embedded in the rock, with an orange triangle painted around it and the word "Barnacle" painted on the rock. If this station had a disc marker, that part of it is missing.

[Photos:]
photoBenchmark
Savin Rock benchmark "Barnicle", as recovered 2/5/06

Found it...almost gave up until we walked up onto the top

Found it...almost gave up until we walked up onto the top

Documented History (by the NGS)

01/01/1933 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1933 (GCM) THIS STATION IS LOCATED ON BRADLY POINT, THE FIRST POINT TO WESTWARD OF SAVIN ROCK AMUSEMENT PARK. THIS POINT IS JUST E OF THE MOUTH OF THE SAVIN RIVER AND IS THE SITE OF THE BARNACLE, A SHORE RESTAURANT. STATION IS ON TOP OF THE LEDGE THAT MARKS THE SHORELINE, IS 9.5 METERS N OF EDGE OF LEDGE, 20.9 METERS S OF BARNACLE GUEST COTTAGE, 29.3 METERS E OF FLAGPOLE WITH WEATHER VANE. STATION AND REFERENCE MARKS ARE STANDARD BRONZE DISKS IN OUTCROPPING BEDROCK AS DESCRIBED IN NOTES 2 AND 12A. REFERENCE MARK NO.1 BEARS S 74 DEG W (MAGNETIC) AND IS IN LEDGE ACROSS SMALL INLET FROM STATION. REFERENCE MARK NO.2 BEARS N 20 DEG W (MAGNETIC) AND IS IN OUTCROPPING LEDGE. THE BARNACLE IS THE PROPERTY OF MRS. FRANK DASHIELD. HEIGHT OF LIGHT ABOVE STATION MARK 4.9 METERS.
01/01/1987 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1987 (MK) RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in August 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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