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Details for Benchmark: HO0155

N 37° 12.833 W 112° 57.800 (NAD 83)

Altitude: 4533.61

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

Location:
In WASHINGTON county, UT View Original Datasheet
Designation:
R 57
Marker Type:
bench mark disk
Setting:
in rock outcrop
Stability:
Probably hold position/elevation well.

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Found it while visiting Zion nat. Park

Foud that one while in Zion N.P.

found on trip with family

Recovered in good condition, as described.

[Photos:]
photoR 57 / HO0155
A close-up of the mark alone.
photoR 57 / HO0155
An 'eye-level' view of the mark.
photoR 57 / HO0155
A wide view of the general area, looking west.

Noticed this while driving by on 6/18/2011.

Now 1.5 ft above the paved shoulder.

[Photos:]
photoHO0155 R 57 1934
photoHO0155 W

Saw this one while driving in Zion! Stopped at the first pullout and almost got hit by a car getting my pic!

[Photos:]
photoHO0155

Late in the day, sun getting quite low. Time for another one, then head back to the main valley for sunset.

[Photos:]
photoHO0155 marker

Easily spotted this benchmark while traveling down the hill. The surveyors have painted a nice shade of orange around the disc.

[Photos:]
photoR 57 Benchmark in Zion

We found easily! :)

[Photos:]
photoCache
photobenchmark
photobenchmark

Easily found on a nice day in Zion. The fact this mark has survived so many years being so close to the road is really something. Anywhere else, it would probably be long gone by now. Hopefully, it will remain in place for many years to come.

--Olystats02 with Enchilada Girl and MountainGoat

[Photos:]
photoMountainGoat at the mark
MG stands near the vertically-set benchmark in Zion National Park, Utah.
photoR-57 mark.
Washington County, Zion Nat'l Park, Utah.

Found as described in good condition.

Gotta love these 1934 benchmarks!

[Photos:]
photoR57 west of the tunnel in Zion Nat'l Park
Red arrow points to vertical set benchmark.
photoR 57 close up shot

11/23/2003: Found in good condition. WGS84: N37*12.840' x W112*57.792'

[last edit: 11/23/2003 5:27:50 PM PST]

[last edit: 11/23/2003 5:31:25 PM PST]

[last edit: 11/23/2003 5:44:00 PM PST]

[last edit: 11/25/2003 7:30:51 PM PST]

[Photos:]
photoHO0155
photoHO0155_Site

Walked right by it twice!

Documented History (by the NGS)

01/01/1934 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 8.0 MI NE FROM ROCKVILLE. 8.0 MILES NORTHEAST ALONG STATE HIGHWAY 15 FROM ROCKVILLE, WASHINGTON COUNTY, 1.3 MILES WEST OF THE WEST PORTAL OF THE ZION HIGHWAY TUNNEL, AT A CURVE, 47 FEET EAST OF THE RED SANDSTONE GUARDRAIL, 14 FEET SOUTH OF THE CENTERLINE OF THE HIGHWAY, AND IN A RED SANDSTONE CUT. A STANDARD DISK, STAMPED R 57 1934 AND SET VERTICALLY.
01/01/1982 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1982 RECOVERED IN GOOD CONDITION. NEW DESCRIPTION FOLLOWS. 9.0 KM (5.6 MI) EAST ALONG STATE HIGHWAY 9 FROM THE CHURCH OF LATTER DAY SAINTS IN SPRINGDALE, VERTICALLY IN THE NORTHEAST CORNER OF A MASSIVE SANDSTONE BOULDER ON THE OUTSIDE OF THE SECOND HAIRPIN CURVE 2.1 KM (1.3 MI) WEST OF THE WEST END OF THE 1.1 MILE TUNNEL, 4.3 METERS (14 FT) SOUTHWEST OF THE HIGHWAY CENTERLINE, 0.6 METER (2 FT) ABOVE THE GROUND. THE MARK IS 0.3 M ABOVE THE HIGHWAY.
01/01/1988 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1988 (TM) RECOVERED IN GOOD CONDITION.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991.
  • The geoid height was determined by GEOID99.
  • The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (G = 980.6199 gals.).
  • The modeled gravity was interpolated from observed gravity values.

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