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Details for Benchmark: CZ1390

N 32° 56.763 W 111° 42.429 (NAD 83)

Altitude: 1456.6

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
VAL
Marker Type:
triangulation station disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

Reference Points

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Found in good shape, as described.

[Photos:]
photoCZ1390
photoCZ1390 WP

Recovered as described, in good condition.

[Photos:]
photoVAL / CZ1390
A close-up of the mark, with the GPSr.
photoVAL / CZ1390
A close-up of the mark alone.
photoVAL / CZ1390
A wider view of the area, looking southeast along the freeway.

Documented History (by the NGS)

01/01/1962 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1962 (CAA) THE STATION IS LOCATED ABOUT 6 MILES NORTHEAST OF CASA GRANDE, ABOUT 1/2 MILE NORTH OF AN EAST AND WEST DIRT ROAD AND JUST WEST OF A NORTH AND SOUTH TRACK ROAD IN THE MEDIAN OF THE PROPOSED INTERSTATE HIGHWAY IN SECTION 35, T5S, R6E. TO REACH THE STATION FROM THE POST OFFICE IN CASA GRANDE, GO EAST FOR 2 BLOCKS TO MARSHALL STREET, TURN LEFT AND GO NORTHERLY FOR 0.25 MILE TO FLORENCE BLVD, TURN RIGHT AND GO EAST ON FLORENCE BLVD. FOR 0.65 MILE TO TREKELL ROAD, TURN LEFT AND GO NORTH ON TREKELL ROAD FOR 3.0 MILES TO A CROSSROAD (RODEO ROAD), TURN RIGHT AND GO EAST FOR 1.0 MILE, TURN LEFT AND GO NORTH FOR 1.0 MILE, TURN RIGHT AND GO EAST FOR 0.55 MILE TO PIPELINE CROSSING, TURN LEFT ON A TRACK ROAD AND GO NORTHEAST AND NORTH FOLLOWING MAIN TRACK ROAD FOR 0.7 MILE TO THE STATION AS DESCRIBED. STATION MARK, A STANDARD TRAVERSE DISK IS SET IN TOP OF A ROUND CONCRETE POST WHICH PROJECTS ABOUT 6 INCHES AND IS STAMPED VAL 1962. THE MARK IS 42 FEET WEST OF A TRACK ROAD AND 3 FEET NORTHEAST OF A WITNESS POST. REFERENCE MARK 1, A STANDARD REFERENCE DISK SET IN THE TOP OF A ROUND CONCRETE POST WHICH PROJECTS ABOUT 4 INCHES AND IS STAMPED VAL NO 1 1962. THE MARK IS 147 FEET SOUTHWEST OF A WITNESS POST AND 1 FOOT EAST OF A YELLOW 2 X 4 WITNESS POST. REFERENCE MARK 2, A STANDARD REFERENCE DISK SET IN TOP OF A ROUND CONCRETE POST WHICH PROJECTS ABOUT 6 INCHES AND IS STAMPED VAL NO 2 1962. THE MARK IS 59 FEET NORTHWEST OF A WITNESS POST, 1 FOOT SOUTHEAST OF A YELLOW 2 X 4 WITNESS POST AND IN THE CENTERLINE OF PROPOSED INTERSTATE HIGHWAY. AZIMUTH MARK, A STANDARD AZIMUTH DISK SET IN TOP OF A ROUND CONCRETE POST WHICH PROJECTS ABOUT 6 INCHES AND IS STAMPED VAL 1962. THE MARK IS 2 FEET NORTHWEST OF A WITNESS POST AND IN THE PROPOSED CENTERLINE OF INTERSTATE HIGHWAY. TO REACH THE AZIMUTH MARK FROM THE STATION, GO SOUTH-SOUTHEAST ON MEDIAN OF THE PROPOSED INTERSTATE HIGHWAY FOR 0.5 MILE TO THE MARK AS DESCRIBED. HEIGHT OF LIGHT ABOVE STATION MARK 1.1 METERS.
01/01/1962 by CGS (GOOD)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1962 9.0 MI NE FROM CASA GRANDE. 0.2 MILES EAST ALONG STATE 93 FROM THE POST OFFICE AT CASA GRANDE, THENCE 0.2 MILES NORTH ALONG MARSHALL STREET, THENCE 3.7 MILES EAST ON FLORENCE BLVD. TO A CANAL, THENCE NORTH ALONG THE EAST SIDE OF THE CANAL FOR 2.05 MILES TO CROSSROADS, THENCE NORTHWEST ALONG THE DIRT ROAD FOR 2.85 MILES TO THE MARK, 150 FT EAST OF R.M. NO. 1, 59.8 FT. SOUTH OF R.M. NO 2, 2.0 FT. WEST OF STEEL WITNESS POST, A STANDARD DISK SET IN TOP OF A CONCRETE POST PROJECTING 8 INCHES.
01/01/1972 by AZHD (GOOD)
RECOVERY NOTE BY ARIZONA HIGHWAY DEPARTMENT (NOW AZDT) 1972 GENERAL LOCATION 6 MILES NORTHEAST OF CASA GRANDE TO REACH DESCRIPTION O.K. STATION MARK CONDITION IS GOOD REFERENCE MARKS R.M.-1 GOOD - R.M.-2 HAS BEEN DESTROYED AZIMUTH MARK CONDITION GOOD.
01/01/1977 by USGS (GOOD)
RECOVERY NOTE BY US GEOLOGICAL SURVEY 1977 (MAC) RECOVERED IN GOOD CONDITION AS DESCRIBED.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in August 1993.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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