Texas - NGS GPS on Benchmark Project

(Currently being revised)

The Texas Spatial Reference Center is assisting the National Geodetic Survey obtain observations on monuments throughout Texas to assist with their GPS on Benchmark Project. The dashboard identified the needed observations on priority monuments. Additionally, the Center is coordinating efforts by monitoring the observations with a proposed observation form.

Important links for participants to the GPSonBM SE Texas Subsidence Campaign 2021

• NGS Naming Convention (see Ch. 5 of the OP 4.0 Manual.)

• Survey Mark Recovery Instructions.

• Survey Mark Recovery online form.

• Survey Mark Photo Submission Guideline. Hint: Use baby powder to enhance the letters.