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Details for Benchmark: DV0116

N 33° 39.933 W 112° 08.776 (NAD 83)

Altitude: 1475.6

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
HEDGPETH
Marker Type:
triangulation station disk
Setting:
in a boulder
Stability:
May hold, but of type commonly subject to surface motion.

Reference Points

Must Read!

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Found it and a dozen aluminum beer and soda cans with no problem.

[Photos:]
photocloseup of HEDGPETH mark
photolooking northeast from station
photoRM 1 closeup.
photolooking west from station
photoRM 2 closeup
photoStation mark with HEDGPETH hills in background
photoRM 1 view
N 33° 39.932 W 112° 08.775

Found this benchmark today in fair condition. Scratches and impact marks on the disk make it difficult to read.

[Photos:]
photoCloseup of the benchmark with GPS
photoMedium-wide view of the mark
photoWide view looking south

Recovered station HEDGPETH along with RM 1 and RM 2 all in good condition. The surfaces of all three disks have been marred by vandals but stamping is still legible on all three.

[Photos:]
photoDV0116 HEDGPETH closeup
photoDV0116 HEDGPETH wide shot looking south
photoWith the GPSr

A second visit for photos.

[Photos:]
photoHEDGPETH
photoHEDGPETH GPS

Found this after finding Horse Feathers, we were taking a break on top of the hill and one of the crew said there were some numbers on a rock not realizing what it was, It was their first bench mark discovery. Appears there are more out there in the area, we'll have to go back and find those also. The area is a nice hiking area although terrain rates about a 4+ for boulder hopping.

[Photos:]
photoNumbers in Rock
One of the crew's first benchmark finds
photoWhat a veiw

Found this and another near Horsefeathers.

Was looking for cache horse feathers and came across this and 2 others. R 1, dv116 and dv118. Went back 2 years later to get a photo which I didn't get the first time.

[This entry was edited by Punksoulbrother on Thursday, February 26, 2009 at 7:07:12 PM.]

[Photos:]
photoDV0116 Bench Mark

Recovered as described, in rather poor condition. The mark has been under attack, but is still readable.

[Photos:]
photoHEDGPETH / DV0116

I found this benchmark while en route to [url=http://www.geocaching.com/seek/cache_details.aspx?guid=9a66e3e3-a9c3-49be-afa9-e4459046bc75]A Grand Undertaking[/url].

[Photos:]
photoBenchmark with GPS

Easy to find

[Photos:]
photoAZ Hedgpeth Details
photoAZ Hedgpeth Local Area Closeup
photoAZ Hedgpeth Local Area Longshot

Easy to find.

1650: Found after finding Horsefeathers Cache. I'd be wiling to bet this BM and its RM's are the most visited BM's in the county.

Rick
Team SaguaroAstro

[Photos:]
photoStill There

Found at sunrise by horse feathers (1st of 3 in this vicinity).

Found bm while geocaching with daughter. Great view from this mark.

Like Everyone else... Found this while looking for Horse Feathers

Found this one looking for the horse feather cache.

Accidentally found this one while searching for a geocache.

N 33° 39.933 W 112° 08.776

Like many others prior to me, stumbled upon this while looking for Horse Feathers geocache. Actually, my son Ben, found the station disk (as well as both RM's). No photo's this time around as I didn't have my camera with me.

Still in fair condition.

[Photos:]
photoDV0116
In the morning sun.

Found this BM while hunting the Horse Feathers cache. Disk is in good shape and mostly readable.

N 33° 39.937 W 112° 08.778

Benchmark recovered as described, in good condition. The face of the disk is slightly scratched.

[Photos:]
photoBenchmark w/GPSr
photoBenchmark

Visiting from Albany, NY. Found along with Horsefeathers cache on a perfect Spring morning in the desert. NOTE: there are two reference markers(RM)offset from this main BM. They are stamped No.1 & No.2. Be careful to locate the one marked Hedgpeth 1947.

[Photos:]
photoHedgpeth BM
photoHedgpeth view looking WNW
What a Day! Perfect!

Found while heading for Horsefeathers.

[last edit: 12/22/2002 10:07:06 PM PST]

Found by accident while looking for Hourse Fethers cache. In excellent shape

I found this while looking for Horse Feathers What a view, especially at sunset and the rain clouds rolling in. I found this one on the way to the hotel after work, nice hike too, almost stepped on a Coyotte while coming back down, He ran and I jumped! Very Cool!

Found while looking for Horse Feathers cache. Overall, good shape. #'s tough to read.

Found while doing nearby Horse Feathers cache.

Found it while looking for the cache. In good and readable condition.

Just Stumbled across my first benchmark (actually three of them) while searching for a Geocache on this hill. Success with that cache also.

Jabba

Found and in good condition. Stampings are worn but readable.<p>Bob Renner

[Photos:]
photoDV0116

Documented History (by the NGS)

01/01/1947 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1947 (DHK) THE STATION IS LOCATED ON A LOW ROCK BUTTE WHICH IS THE LOWEST ONE AT THE SOUTHEAST END OF THE HEDGPETH HILLS. THE BUTTE IS SEPARATED FROM THE MAIN HILLS BY THE SKUNK RIVER AND IS ABOUT 15 MILES AIR LINE NORTH AND WEST OF PHOENIX AND ABOUT 9 MILES AIR LINE NORTH AND EAST OF GLENDALE. THE STATION IS ON THE HIGHEST POINT OF A LOW EAST-WEST RIDGE, PROJECTS 7 INCHES AND IS STAMPED--HEDGPETH 1947. REFERENCE MARK NO. 1 IS APPROXIMATELY 3 FEET LOWER THAN THE STATION, PROJECTS 3 INCHES AND IS STAMPED--HEDGPETH NO 1 1947. REFERENCE MARK NO. 2 IS ABOUT 10 FEET EAST OF THE SOUTHWEST BRIM, APPROXIMATELY 2 FEET LOWER THAN THE STATION, FLUSH WITH THE GROUND SURFACE AND IS STAMPED--HEDGPETH NO 2 1947. THE AZIMUTH MARK IS A USC AND G SURVEY BENCH MARK LOCATED ABOUT 200 YARDS SOUTH OF A DIP IN STATE HIGHWAY 69, ABOUT 100 YARDS SOUTH-SOUTHEAST OF A HIGHWAY SIGN DIP, 10 PACES WEST OF AND APPROXIMATELY THE SAME ELEVATION AS THE CENTER LINE OF HIGHWAY, A BRONZE DISK SET IN TOP OF A CONCRETE POST WHICH PROJECTS 10 INCHES AND IS STAMPED N 56 1934. TO REACH FROM THE JUNCTION OF WEST VAN BUREN STREET AND U.S. HIGHWAYS 60, 70, AND 89 IN PHOENIX. GO NORTH ON HWYS 60, 70, AND 89 FOR 5.8 MILES TO THE JUNCTION OF STATE ROUTE 69. TURN RIGHT (N) ON HIGHWAY 69 FOR 5.1 MILES TO THE ARIZONA CANAL AND END OF PAVED ROAD. CONTINUE STRAIGHT AHEAD ON GRAVEL ROAD FOR 6.1 MILES TO A TRACK ROAD LEFT AT A SMALL ROCKY HILL ON LEFT. TURN LEFT AND FOLLOW TRACK ROAD AROUND THE BASE OF HILL FOR 0.2 MILE TO THE END OF TRUCK TRAVEL. FROM THIS POINT PACK NORTH OVER ROCKY HUMP TO THE HIGHEST POINT AND STATION SITE. A FIVE MINUTE PACK. TO REACH THE AZIMUTH MARK FROM THE TRACK ROAD LEFT MENTIONED IN THE DESCRIPTION. CONTINUE STRAIGHT AHEAD FOR 1.15 MILE TO BENCH MARK ON LEFT AS DESCRIBED ABOVE.
01/01/1959 by CGS (GOOD)
RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 (SLH) THE STATION MARK, REFERENCE MARK NO. 1 AND REFERENCE MARK NO. 2 WERE RECOVERED AND FOUND IN GOOD CONDITION. THE AZIMUTH MARK HAS BEEN DESTROYED. TRIANGULATION STATION PAT CAN BE USED FOR AN AZIMUTH MARK. (SEE DESCRIPTION THEREOF). FOLLOWING IS A NEW AND COMPLETE DESCRIPTION-- THE STATION IS LOCATED ON THE LOWEST ONE AND AT THE SOUTHEAST END OF THE HEDGPETH HILLS. IT IS ABOUT 15 MILES NORTH OF PHOENIX, 9 MILES NORTHEAST OF GLENDALE AND 2 MILES WEST OF STATE HIGHWAY 69. TO REACH THE STATION FROM THE INTERSECTION OF GLENDALE AVE. AND BLACK CANYON HIGHWAY (STATE HIGHWAY 69), GO NORTH ON BLACK CANYON HIGHWAY FOR 8.65 MILES TO BEARDSLEY DRIVE, TURN LEFT, WEST, FOLLOW THE GRADED ROAD FOR 1.2 MILES TO 35TH AVE., TURN LEFT, SOUTH, FOLLOW THE GRADED ROAD FOR 0.5 MILE TO A CROSSROAD, TURN RIGHT, WEST, FOLLOW THE GRADED ROAD FOR 0.8 MILE TO A ROAD RIGHT, TURN RIGHT AND FOLLOW THE TRACK ROAD NORTH ALONG A POWERLINE FOR 0.2 MILE TO THE END OF TRUCK TRAVEL. FROM HERE PACK NORTHEAST TO THE HIGHEST POINT OF THE ROCKY HILL AND THE STATION. A 5 MINUTE PACK. THE STATION MARK, STAMPED HEDGPETH 1947, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN BEDROCK THAT PROJECTS 7 INCHES. REFERENCE MARK NO. 1, STAMPED HEDGPETH NO 1 1947, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN A BOULDER THAT PROJECTS 3 INCHES AND IS ABOUT 3 FEET LOWER THAN THE STATION. REFERENCE MARK NO. 2, STAMPED HEDGPETH NO 2 1947, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN A BOULDER THAT IS FLUSH WITH THE SURFACE OF THE GROUND AND IS 2 FEET LOWER THAN THE STATION.
01/01/1967 by AMS (GOOD)
RECOVERY NOTE BY US ARMY MAP SERVICE (NOW DMA) 1967 (JLW) THE STATION MARK AND R.M.S 1 AND 2 WERE RECOVERED AS DESCRIBED AND IN GOOD CONDITION. AZIMUTH MARK EARILER REPORTED DESTROYED. REFERENCE MEASUREMENTS TO R.M.S R.M. NO. 1 PUB DIST = 33.06 FT. CHECK DIST = 33.1 FT. R.M. NO. 2 PUB DIST = 40.00 FT. CHECK DIST = 400 FT.
01/01/1970 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1970 (LFS) THE STATION AND REFERENCE MARKS WERE RECOVERED AND FOUND AS DESCRIBED IN THE 1959 RECOVERY NOTE. AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--9 MILES NORTH OF GLENDALE
01/01/1970 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1970 11.1 MI NE FROM GLENDALE. 2.0 MILES EAST ALONG GLENDALE AVENUE FROM THE INTERSECTION OF 59 AVENUE IN GLENDALE, THENCE 8 1/2 MILES NORTH ALONG NORTH 43 AVENUE, THENCE 0.5 MILE EAST ALONG YORKSHIRE DRIVE TO THE BASE OF A BOULDER COVERED HILL, THENCE 0.1 MILE TO THE TOP OF THE HILL AND THE MARK. IT IS SET IN A DRILL HOLE IN A LARGE BOULDER.
01/01/1971 by USE (GOOD)
RECOVERY NOTE BY US ENGINEERS 1971 (EMB) HEDGPETH 1947-GOOD HEDGPETH NO 1 1947-GOOD HEDGPETH NO 2 1947-GOOD DESCRIPTION IS ADEQUATE.
01/01/1975 by DMA (GOOD)
RECOVERY NOTE BY DEFENSE MAP AGENCY 1975 (RLE) HEDGPETH 1947-GOOD
01/01/1977 by LOCENG (GOOD)
RECOVERY NOTE BY LOCAL ENGINEER (INDIVIDUAL OR FIRM) 1977 (FB) HEDGPETH RECOVERED GOOD. HEDGPETH NO. 1 RECOVERED GOOD. HEDGPETH NO. 2 RECOVERED GOOD. DISTANCE AND DIRECTION FROM NEAREST TOWN--11.1 MILES NORTHEAST OF GLENDALE, ARIZ.
01/01/1981 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1981 RECOVERED IN GOOD CONDITION.
01/01/1982 by AZDT (GOOD)
RECOVERY NOTE BY ARIZONA DEPARTMENT OF TRANSPORTATION 1982 (GH) THE STATION MARK AND REFERENCE MARKS WERE RECOVERED AS DESCRIBED IN 1959. THE AZIMUTH MARK HAS BEEN DISTROYED BY STREET WIDENING. THE ROUTE TO THE STATION IS ADEQUATE FOR RECOVERY.
01/01/1986 by AZDT (GOOD)
RECOVERY NOTE BY ARIZONA DEPARTMENT OF TRANSPORTATION 1986 (ART) THE STATION AND REFERENCE MARKS WERE RECOVERED IN GOOD CONDITION. DUE TO CHANGES IN THE VICINITY OF THE STATION A NEW ROUTE TO THE STATION FOLLOWS. TO REACH THE STATION FROM INTERSTATE HIGHWAY 17 AND UNION HILLS DRIVE TRAFFIC INTERCHANGE IN NORTHERN PHOENIX, TRAVEL WEST ALONG UNION HILLS DRIVE FOR 1.5 MILES TO 39TH AVENUE. TURN RIGHT AND TRAVEL NORTH 0.5 MILE TO YORKSHIRE DRIVE, CONTINUE NORTH ON A TRAIL ROAD WHICH IS ON THE WEST SIDE OF A FENCE LEADING TO HILL. TAKE TRAIL ROAD TO TURN AROUND AREA AND END OF TRUCK TRAVEL. PACK TO THE HIGHEST POINT AND THE STATION.

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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