BN0018 - "Z 118" bench mark disk - Burnet, TX
Posted by: Groundspeak Premium Member Raven
N 30° 45.657 W 098° 13.630
14R E 573963 N 3403364
This benchmark is located by the West entrance of Quest High School in Burnet, Texas.
Waymark Code: WMNC12
Location: Texas, United States
Date Posted: 02/10/2015
Published By:Groundspeak Premium Member Ernmark
Views: 2

As described by the Coast and Geodetic Survey ("CGS") in 1933:

"VERTICAL TABLET AT BURNET HIGH SCHOOL BUILDING ON THE SOUTH SIDE OF THE WEST ENTRANCE."

Save for the school name (since it is now called "Quest High School"), the short CGS description is pretty accurate and should definitely assist future seekers in finding this benchmark -- alternatively, one can use the gallery images (including one where the benchmark has been "highlighted" with a pink oval for ease of reference).

The CGS' original 1933 coordinates, however, were pretty well off (as is to be expected, it happens all the time with older benchmarks). The CGS reported it at "N 30 45.617 W 098 13.617" which points to a street corner ~240 ft SSE away, not the benchmark in question. The actual coords -- as measured within 10' accuracy and 20+ reading averages -- are "N 30 45.657 W 98 13.630". This seems to be perfectly in line with the revised/updated coords recorded in its most recent associated NGS Data Sheet.

Below are some additional facts, per the NGS database (with some editing for length): (visit link)

BN0018 ***********************************************************************
BN0018 DESIGNATION - Z 118
BN0018 PID - BN0018
BN0018 STATE/COUNTY- TX/BURNET
BN0018 COUNTRY - US
BN0018 USGS QUAD - BURNET (1967)
BN0018
BN0018 *CURRENT SURVEY CONTROL
BN0018 ______________________________________________________________________
BN0018* NAD 83(1986) POSITION- 30 45 39.4 (N) 098 13 37.8 (W) HD_HELD2
BN0018* NAVD 88 ORTHO HEIGHT - 400.779 (meters) 1314.89 (feet) ADJUSTED
BN0018
BN0018_MARKER: DB = BENCH MARK DISK
BN0018_SETTING: 36 = SET IN A MASSIVE STRUCTURE
BN0018_SP_SET: BUILDING
BN0018_STAMPING: Z 118 1933
BN0018_MARK LOGO: CGS
BN0018_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
BN0018
BN0018 HISTORY - Date Condition Report By
BN0018 HISTORY - 1933 MONUMENTED CGS
BN0018 HISTORY - 20020223 GOOD USPSQD
BN0018 HISTORY - 20090712 GOOD GEOCAC
Condition: Mark found in good condition

Designation: Z 118

Benchmark Agency: U.S. Coast & Geodetic Survey

Monumentation type: BENCH MARK (or B.M.) Disk

County: Burnet, TX (Burnet County)

USGS 7.5' Topographic Quadrangle Name (optional): Burnet (note: the "Trails.com Maps" link -- after zooming in -- referenced these coords as "Llano", which is incorrect)

Find type: Coordinates and/or to-reach information from the NGS database (or Geocaching's copy of it) were used

Web address of this benchmark's datasheet (optional): [Web Link]

NGS PID: BN0018

Benchmark Agency (if other): Not listed

Monumentation type (if other): Not listed

Special category (optional): Not listed

Special Category (if other): Not listed

Local database's URL (optional): Not listed

Visit Instructions:
  1. A closeup photo of the mark taken by you is required.
  2. A 'distant' photo including the mark in the view is highly recommended. Include the compass direction you faced when you took the picture.
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Recent Visits/Logs:
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WalksfarTX visited BN0018 - "Z 118" bench mark disk - Burnet, TX 06/13/2022 WalksfarTX visited it
QuesterMark visited BN0018 - "Z 118" bench mark disk - Burnet, TX 06/18/2021 QuesterMark visited it
Raven visited BN0018 - "Z 118" bench mark disk - Burnet, TX 08/15/2014 Raven visited it

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