City Of Arlington GPS Network - AH20 - U.S. Benchmarks on Waymarking.com

Found as described by city of Arlington. Datasheet can be found on page 6/122 of the pdf file linked below.
Described by the City of Arlington:

Arlington Aluminum Disk set in the southwest corner of the Ballpark Way Bridge over Johnson Creek.

Note: This monument was formerly GPS 20 from the monumentation set by Albert Halff in March 1991. Values shown reflect adjusting to fit U.S.C.& G.S. First Order Station "BOWMAN"

Condition: Mark found in good condition Designation: AH 20 Benchmark Agency: other (not included below) Benchmark Agency (if other): City of Arlington (TX) Monumentation type: GPS STATION Disk County: Arlington, TX Find type: Coordinates and/or to-reach information from an online local database were used Web address of this benchmark's datasheet (optional): [Web Link] Monumentation type (if other): Not listed USGS 7.5' Topographic Quadrangle Name (optional): Not listed Special category (optional): Not listed Special Category (if other): Not listed NGS PID: Not listed Local database's URL (optional): Not listed

Recent Visits/Logs:

Date Logged Log User Rating   07/02/2017 LT_Dream visited it