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Details for Benchmark: ET1099

N 34° 42.309 W 113° 37.009 (NAD 83)

Altitude: 2039.6

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

Location:
In MOHAVE county, AZ View Original Datasheet
Designation:
T16N R13W SECS 21 22 27 28 RESET
Marker Type:
survey disk
Setting:
setting not listed - see description
Stability:

Reference Points

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Easy find

Recovered station in poor condition. The mark is a brass cap on the end of a pipe set in an irregular mass of concrete, which has been disturbed and is now setting on top of ground level at roughly the location indicted by the reference marks. A date of 1996 has now been stamped on the station disk above the template 19XX date. Recovered RM 3 and RM 4 both in good condition.

[Photos:]
photoET1099 closeup
photoET1099 wide shot from NW
photoET1099 wide shot from NE
photoET1099 RM 3
photoET1099 RM 4

Documented History (by the NGS)

Unknown by USGLO (MONUMENTED)
01/01/1975 by AZ-015 (GOOD)
DESCRIBED BY MOHAVE COUNTY ARIZONA 1975 (JMK) S.21 S.22 S.28 S.27, T16N, R13W USGLO-THIS MARK HAS BEEN DISTURBED AND RESET BY A LOCAL ENGINEER--E=-0.090 FT. N=+0.019 FT OF ITS ORIGINAL POSITION. R.M. 1 HAS BEEN DISTURBED.-R.M. 2 AND AZIMUTH MARK HAVE NOT BEEN DISTURBED. THIS STATION HAS CADASTRAL SIGNIFICANCE BUT MAY BE RESET TO ORIGINAL POS. WITH NO PROBLEM. R.M. 1 SHOULD BE MOVED AS IT IS IN A WELL TRAVELED AREA.
01/01/1977 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1977 (CN) THE STATION MARK, REFERENCE MARKS 1 AND 2 AND THE AZIMUTH MARK WERE RECOVERED WITH THE FOLLOWING COMMENTS. THE STATION MARK HAS BEEN REPORTED RESET BY A LOCAL SURVEYOR, REFERENCE MARK 1 HAS BEEN DISTURBED REFERENCE MARK 2 IS IN PLACE BUT VULNERABLE TO ROAD GRADING AND THE AZI-MARK IS IN GOOD CONDITION. MEASUREMENTS OF ANGLES AND DISTANCES AT THE STATION INDICATE THE STATION IS ON THE ORIGINAL POSITION WITHIN 0.015 METER. REFERENCE MARKS 2 AND 4 WERE ESTABLISHED AT THIS TIME AND REFERENCE MARK 1 WAS REMOVED AT THE REQUEST OF THE LAND OWNER. THE STATION MARK IS GLO DISK STAMPED, T16N R13W S21 S22 S28 S27 THE DATE HAS BEEN SCRAPED OFF. IT IS IN THE SOUTHEAST CORNER OF THE INTERSECTION OF CHICKEN SPRINGS ROAD AND A CROSS STREET, 19 FEET SOUTH OF THE CENTER OF CHICKEN SPRINGS ROAD, 14 FEET EAST OF THE CENTER OF A CROSS STREET AND 2 FEET NORTH OF A WITNESS SIGN ON A FENCE CORNER. REFERENCE MARK 2 IS A STANDARD DISK STAMPED, WIKIEUP GLO NO 2 1944. IT IS SET IN TOP OF A 12 X 12 INCH CONCRETE MONUMENT WHICH IS SET FLUSH AT THE SOUTHWEST CORNER OF THE INTERSECTION, 15 FEET SOUTH OF THE CENTER OF CHICKEN SPRINGS ROAD AND 14 FEET WEST OF THE CENTER OF THE CROSS STREET. REFERENCE MARK 3 IS A STANDARD DISK STAMPED, WIKIEUP GLO NO 3 1977. IT IS SET IN A DRILL HOLE IN THE TOP OF THE NORTH SIDE OF THE CATTLE GUARD ACROSS CHICKEN SPRINGS ROAD. REFERENCE MARK 4 IS A STANDARD DISK STAMPED, WIKIEUP GLO NO 4 1977. IT IS SET IN TOP OF A 12 INCH CONCRETE MONUMENT WHICH IS ABOUT FLUSH WITH THE GROUND SURFACE. IT IS 15 FEET SOUTH OF A WOODEN WITNESS POST, 14 FEET EAST OF THE CENTER OF THE CROSS STREET AND 2 FEET WEST OF A NORTH-SOUTH FENCELINE AND 2-1/2 FEET NORTH OF A POWER POLE. THE AZIMUTH MARK IS A STANDARD DISK STAMPED, GLO WIKIEUP 1944. IT IS SET IN TOP OF A 12 X 12 INCH CONCRETE MONUMENT WHICH PROJECTS ABOUT 1 INCH. IT IS 0.3 MILE NORTH OF THE STATION ALONG THE EAST SIDE OF CROSS STREET, ATOP A SMALL MOUND ON THE NORTH SIDE OF A WASH. TO REACH THE STATION FROM THE POST OFFICE IN WIKIEUP, GO NORTH ALONG U.S. HIGHWAY 93 FOR 0.35 MILE TO CHICKEN SPRINGS ROAD. TURN LEFT ALONG THIS ROAD FOR 0.35 MILE TO A CROSS STREET AND STATION, THIS POINT BEING ABOUT 0.1 MILE WEST OF A SCHOOL. AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--AT WIKIEUP. HEIGHT OF LIGHT ABOVE STATION MARK 5 FEET.
01/01/1980 by AZDT (GOOD)
RECOVERY NOTE BY ARIZONA DEPARTMENT OF TRANSPORTATION 1980 (GH) THE STATION MARK REFERENCE MARKS 2, 3, 4 AND THE AZIMUTH MARK WERE RECOVERED AS DESCRIBED AND FOUND IN GOOD CONDITION. REFERENCE MARK 1 IS DESTROYED. IT WAS NOTED BY CHECKS TO DISTANT STATIONS AND ANGLES TO REFERENCE MARKS AND THE AZIMUTH MARK THAT THE STATION IS STILL ON OR AT LEAST VERY NEAR THE ORIGINAL POSITION. IT WAS PROBABLY LOWERED ON POSITION BY A SURVEYOR WHO FAILED TO REPORT THE ACTION. AND AN OLD ERROR WAS MADE IN THE REFERENCE MARK MEASUREMENTS. A NEW ROUTE TO THE STATION FOLLOWS. TO REACH THE STATION FROM THE POST OFFICE IN WIKIEUP, TRAVEL NORTH ON US HIGHWAY 93 FOR 0.4 MILE TO CHICKEN SPRINGS ROAD. TURN LEFT PASSING A SCHOOL ON THE RIGHT FOR 0.3 MILE TO A CATTLE GUARD AND A CROSS STREET. THE STATION IS ABOUT 50 FEET TO THE LEFT OF CATTLE GUARD AT A FENCE CORNER.

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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