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Details for Benchmark: DA0355

N 32° 09.950 W 112° 45.800 (NAD 83)

Altitude: 1825

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

Location:
In PIMA county, AZ View Original Datasheet
Designation:
P 333
Marker Type:
bench mark disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

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Found in good shape.

[Photos:]
photoDA0355
photoDA0355 w GPSr
photoDA0355 Area

Recovered in good condition, as described. GPS (HH-2) co-ordinates N32° 09.964', W112° 45.815'.

[Photos:]
photoP 333 / DA0355
A close-up of the mark, with the GPSr.
photoP 333 / DA0355
A close-up of the mark alone.
photoP 333 / DA0355
An eye-level view of the mark.
photoP 333 / DA0355
A wide view of the general area, looking south.
N 32° 09.961 W 112° 45.813

Please see the complete recovery, including text and photos, at my website: [b][url=http://surveymarks.planetzhanna.com/surveymarks/da0355/]DA0355 - P 333[/url][/b].

Zhanna

This entry was edited by Zhanna on Friday, 07 December 2012 at 03:18:51 UTC.

Documented History (by the NGS)

01/01/1953 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1953 18.35 MI SE FROM AJO. 0.15 MILE SOUTHEAST ALONG THE TUCSON, CORNELIA AND GILA BEND RAILROAD FROM THE STATION AT AJO, THENCE 10.75 MILES SOUTHEAST ALONG STATE HIGHWAY 86, THENCE 7.45 MILES SOUTH ALONG THE SONOYTA-AJO HIGHWAY, 0.1 MILE NORTH OF A DIP IN THE HIGHWAY, 38 FEET WEST OF THE CENTER LINE OF THE HIGHWAY, 25.4 FEET NORTH OF A PALO VERDE TREE, 3.1 FEET SOUTH OF A WITNESS POST, ABOUT 1 FOOT HIGHER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND.
01/01/1981 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1981 11.7 KM (7.3 MI) SOUTHWEST ALONG STATE HIGHWAY 85 FROM THE JUNCTION OF STATE HIGHWAY 86 IN WHY, 0.3 KM (0.2 MI) SOUTHWEST OF HIGHWAY MILEPOST 60, AT A SMALL HIGHWAY TURNOUT, 7.6 M (25.0 FT) NORTHWEST OF THE CENTERLINE OF THE HIGHWAY. THE MARK IS 0.9 METERS SW FROM A WITNESS POST. THE MARK IS ABOVE LEVEL WITH THE HIGHWAY CENTERLINE.

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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