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Details for Benchmark: HO0149

N 37° 13.083 W 112° 55.283 (NAD 83)

Altitude: 5278.79

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

Location:
In WASHINGTON county, UT View Original Datasheet
Designation:
Q 57
Marker Type:
bench mark disk
Setting:
in rock outcrop
Stability:
Most reliable and expected to hold position/elevation well.

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Found it while visiting Zion nat. Park

Found it while visiting Zion nat. Park

This one was just off the road so we had time to stop.

Heading west, in the pulloff on the right just after the short tunnel.

Found this one with sassy13 the coordinates were a little off, but close enough to find it.
Coordinates:N37 13.092 W112 55.296

Found in good condition and Whoo Hoo for me. My first one on my own. Actually I was with RRGEO but I saw it first. YAY me. :)

[Photos:]
photoHO0149 Q57

grabbed caching through the park.. well benchmarking anyway.

Recovered in good condition, as described. GPS (HH-2) co-ordinates N37° 13.094', W112° 55.296'.

[Photos:]
photoQ 57 / HO0149
A close-up of the mark, with the GPSr.
photoQ 57 / HO0149
A close-up of the mark alone.
photoQ 57 / HO0149
An eye-level view of the mark.
photoQ 57 / HO0149
A wide view of the general area, looking west.

Recovered as described in good condition.
Heavy traffic precluded a good close up photo this day.

[Photos:]
photoHO0149 BM
From an angle

Found while visiting the park.
Thanks for showing.

In the morning, just after sunrise, near the short tunnel. On the way to Bryce this morning.

[Photos:]
photoHO0149 marker

Recovered as described & in good condition.

[Photos:]
photoQ 57 East of the short tunnel in Zion
photoQ 57 view of tunnel
photoQ 57 looking Southeast
Disk and GPSr in the foreground.

Documented History (by the NGS)

01/01/1934 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 11.8 MI NE FROM ROCKVILLE. 11.8 MILES NORTHEAST ALONG STATE HIGHWAY 15 FROM ROCKVILLE, WASHINGTON COUNTY, 130 FEET EAST OF THE EAST ENTRANCE TO A SMALL TUNNEL ON THE ZION HIGHWAY, 68 FEET EAST OF THE CENTERLINE OF A QUADRUPLE 3-FOOT CORRUGATED IRON PIPE CULVERT, 24 FEET SOUTH OF THE CENTERLINE OF THE HIGHWAY, IN THE TOP OF A RED SANDSTONE OUTCROP, AND 15 FEET EAST OF THE WEST END. A STANDARD DISK, STAMPED Q 57 1934.
01/01/1983 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1983 RECOVERED IN GOOD CONDITION. NEW DESCRIPTION FOLLOWS. 13.8 KM (8.55 MI) EAST ALONG STATE HIGHWAY 9 FROM THE CHURCH OF LATTER DAY SAINTS IN SPRINGDALE, IN TOP OF AND 4.5 METERS (15 FT) EAST OF THE WEST END OF A 12- BY 33-FOOT SANDSTONE OUTCROP PROJECTING 1.5 FEET ABOVE THE SOUTH SHOULDER OF THE HIGHWAY, 7.3 METERS (24 FT) SOUTH OF THE HIGHWAY CENTERLINE, 39.6 METERS (130 FT) EAST OF THE NORTHEAST END OF THE 0.15 MILE TUNNEL, 2.7 METERS (9 FT) NORTH OF THE SOUTH EDGE OF THE OUTCROP. THE MARK IS ABOVE LEVEL WITH 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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