Skip to Content

Details for Benchmark: CZ1034

N 32° 47.817 W 111° 37.683 (NAD 83)

Altitude: 1503.35

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
X 278
Marker Type:
bench mark disk
Setting:
retaining walls, concrete ledge, etc.
Stability:
May hold, but of type commonly subject to surface motion.

Must Read!

Benchmarks may be on private property or in dangerous locations. Obey local laws. By using the services on Geocaching.com you agree to this disclaimer.

Recovered as described, in good condition.

[Photos:]
photoX 278 / CZ14034
A close-up of the mark, with the GPSr.
photoX 278 / CZ14034
A close-up of the mark alone.
photoX 278 / CZ14034
A wider view of the area, looking southeast along the highway.

I found this suvey disc today intact but very worn. 1948 was barely readable but the x278 was ok. ~del Mar~

Documented History (by the NGS)

01/01/1948 by CGS (MONUMENTED)
01/01/1967 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 5.3 MI NW FROM ELOY. ABOUT 5.3 MILES NORTHWEST ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE STATION AT ELOY, IN S 21, T 7 S, R 7 E, 13 POLES NORTHWEST OF THE STATION SIGN AT TOLTEC, 236 FEET NORTH OF MILEPOST NUMBER 928, 163 FEET NORTHEAST OF THE NORTHEAST RAIL OF THE NORTHEAST SET OF TRACKS, 28 FEET SOUTHWEST OF THE CENTER LINE OF STATE HIGHWAY 84, SET IN THE TOP OF THE SOUTHEAST END OF THE SOUTHWEST HEAD WALL OF A CONCRETE CULVERT UNDER THE HIGHWAY, AND ABOUT 1 FOOT ABOVE THE LEVEL OF THE HIGHWAY.
01/01/1980 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1980 14.8 KILOMETERS (9.2 MILES) SOUTHEAST ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE STATION AT CASA GRANDE, SET IN TOP OF THE SOUTHEAST END OF THE SOUTHWEST HEADWALL OF A CONCRETE BOX CULVERT UNDER HIGHWAY 84, 49.7 METERS (163 FEET) NORTHEAST OF THE NORTHEAST RAIL OF THE NORTHEAST TRACKS, 71.9 METERS (236 FEET) NORTH OF RAILROAD MILE POST 928 AND 8.5 METERS (28 FEET) SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY.
01/01/1980 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1980 14.8 KILOMETERS (9.2 MILES) SOUTHEAST ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE STATION AT CASA GRANDE, SET IN TOP OF THE SOUTHEAST END OF THE SOUTHWEST HEADWALL OF A CONCRETE BOX CULVERT UNDER HIGHWAY 84, 49.7 METERS (163 FEET) NORTHEAST OF THE NORTHEAST RAIL OF THE NORTHEAST TRACKS, 71.9 METERS (236 FEET) NORTH OF RAILROAD MILE POST 928 AND 8.5 METERS (28 FEET) SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY.
01/01/1984 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1984 RECOVERED IN GOOD CONDITION. THE 1980 DESCRIPTION L24555 PART 8 IS ADEQUATE EXCEPT THE CITY LIMITS SIGN HAS BEEN TORN DOWN.
12/05/1991 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1991 0.3 KM (0.20 MI) SOUTHERLY ALONG MAIN STREET FROM THE POST OFFICE IN ELOY, THENCE 8.6 KM (5.35 MI) NORTHWESTERLY ALONG STATE HIGHWAY 84, IN TOP OF AND 0.3 M (1.0 FT) NORTHWEST OF THE SOUTHEAST END OF THE SOUTHWEST CONCRETE HEADWALL OF A CULVERT, 8.5 M (27.9 FT) SOUTHWEST OF THE HIGHWAY CENTERLINE, AND 0.1 M (0.3 FT) ABOVE THE LEVEL OF THE HIGHWAY.

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 November 1993.
  • 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.

Advertising with Us

Return to the Top of the Page