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Details for Benchmark: AC4642

N 25° 57.416 W 080° 25.556 (NAD 83)

Altitude: 4.48

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

Location:
In BROWARD county, FL View Original Datasheet
Designation:
SNAKE AZ MK
Marker Type:
azimuth 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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Still working on getting to 100. I made the short walk and found this easily. It had a little growth but I removed and took pictures. There is a big rock in the ditch and this is just to right of it if looking at the canal.

[Photos:]
photoClose up
photoStanding up
photoPic with canal in back
N 25° 57.416 W 080° 25.556

Now that I know what I'm doing, I finally found it.

[Photos:]
photoSNAKE AZ MK
photoSNAKE AZ MK - Eye level
photoSNAKE AZ MK - Looking west at SNAKE, RM 1, & RM 3
N 25° 57.415 W 080° 25.556

Woohoo....FTL!
I had to return to complete recovering the complete set of disks. This is my 1st metal detector found disk. This is a standard USC&GS Azimuth mark.
THE STATION IS A STANDARD CGS AZIMUTH DISK STAMPED SNAKE 1971, SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 12 INCHES OR .30 CM IN DIAMETER FLUSH WITH GROUND LOCATED 79.0 FT (24.08 M) S OF A WIRE FENCE, 78.0 FT (23.77 M) SW OF AN 24-30-INCH AUSTRALIAN PINE TREE, 18.0 FT (5.49 M) S OF THE CENTER OF THE CANAL ROAD, 2.0 FT (0.61 M) N OF THE NORTH EDGE OF CANAL EMBANKMENT

[Photos:]
photoAC4642-GPS-20141002
photoAC4642-SNAKE_AZ_MK-2-20141002
photoAC4642-SNAKE_AZ_MK-3NE-20141002
photoAC4642-BM TOOLS-20141002
photoLooking West to 27
photoEmancipator Probe Tool
Craftsman Rolling Wedge Bar

Documented History (by the NGS)

1/1/1971 by NGS (MONUMENTED)
2/6/1984 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1984 (CLN) THE STATION IS LOCATED ABOUT 30.40 KM (18.89 MI) WEST-SOUTHWEST OF HOLLYWOOD, 16.00 KM (9.94 MI) WEST OF CAROL CITY, 5.76 KM (3.58 MI) SOUTH OF THE JUNCTION OF US HIGHWAY 27 AND STATE HIGHWAY 820 (HOLLYWOOD BOULEVARD) THAT IS ABOUT 28.80 KM (17.90 MI) WEST OF HOLLYWOOD, ON THE NORTH SIDE OF SNAKE CREEK CANAL ALONG THE BROWARD AND DADE COUNTY LINE AND ON PROPERTY OWNED BY THE STATE. TO REACH THE STATION FROM THE JUNCTION OF US HIGHWAY 27 AND STATE ROUTE 820 (HOLLYWOOD BOULEVARD) THAT IS ABOUT 28.80 KM (17.90 MI) WEST OF HOLLYWOOD, GO SOUTH ON US HIGHWAY 27 FOR 5.76 KM (3.58 MI) TO SNAKE CREEK CANAL AND STATION SNAKE 1971 ON LEFT. TURN LEFT AND GO EAST ALONG THE NORTH SIDE OF SNAKE CREEK CANAL AND STATION ON RIGHT. THE STATION IS A STANDARD CGS DISK STAMPED SNAKE 1971, SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 12 INCHES OR .30 CM IN DIAMETER FLUSH WITH GROUND LOCATED 79.0 FT (24.08 M) S OF A WIRE FENCE, 78.0 FT (23.77 M) SW OF AN 8-INCH AUSTRALIAN PINE TREE, 18.0 FT (5.49 M) S OF THE CENTER OF THE CANAL ROAD, 2.0 FT (0.61 M) N OF THE NORTH EDGE OF CANAL EMBANKMENT, AND 1.5 FT (0.46 M) NE OF A WITNESS POST. TO REACH THE AZIMUTH MARK FROM STATION, GO EAST ON THE NORTH SIDE OF SNAKE CANAL FOR 0.40 KM (0.25 MI) TO MARK ON RIGHT.
8/3/1993 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1993 (RLT) THE STATION IS ABOUT 14.5 MI (23.3 KM) SOUTHWEST OF COOPER CITY, 26.0 MI (41.8 KM) NORTH-NORTHWEST OF MIAMI, AT THE DADE-BROWARD COUNTY LINE IN SECTION 34, TOWNSHIP 51 SOUTH, RANGE 39 EAST. TO REACH THE STATION FROM THE INTERSECTION OF U.S. HIGHWAY 27 AND THE EASTBOUND LANES OF INTERSTATE 75 (ALLIGATOR ALLEY), GO SOUTH ON U.S. HIGHWAY 27 FOR 5.90 MI (9.49 KM) TO THE INTERSECTION OF STATE HIGHWAY 818 (GRIFFIN ROAD), CONTINUE SOUTH ON U.S. HIGHWAY 27 FOR 3.55 MI (5.71 KM) TO THE INTERSECTION OF PINES BOULEVARD, CONTINUE SOUTH ON U.S. HIGHWAY 27 FOR 7.75 MI (12.47 KM) TO THE DADE-BROWARD COUNTY LINE AND A ROAD ON THE NORTH SIDE OF THE SNAKE CREEK CANAL NUMBER C-9, TURN LEFT AND GO NORTHEAST FOR 0.3 MI (0.5 KM) TO THE STATION ON THE RIGHT, SET IN THE TOP OF CONCRETE MONUMENT FLUSH WITH THE GROUND AND LEVEL WITH THE ROAD. LOCATED 9.0 FT (2.7 M) SOUTH OF THE APPROXIMATE CENTERLINE OF THE DIRT ROAD ON THE NORTH SIDE OF THE CANAL, ABOUT 4.0 FT (1.2 M) NORTH OF THE NORTH EDGE OF THE CANAL AND 2.0 FT (0.6 M) NORTH-NORTHEAST OF A CARSONITE WITNESS POST.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in May 1991. No horizontal observational check was made to the station.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in March 1997.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • 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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