This is a three stage multicache around a huge lake. (Most places this would be a pond, but you are in West Texas.)
At the posted coordinates, look for the clue to find stage two.
Jones = N 31 53.405 W 102 20.154
Smith = N 31 53.505 W 102 20.164
Brown = N 31 53.445 W 102 20.254
At the second stage, look for the clue to find the geocache.
(Note: This name plate sometimes gets covered in dirt or sand.)
Andrews = N 31 53.305 W 102 20.134
Burns = N 31 53.376 W 102 20.257
Moore = N 31 53.425 W 102 20.654
Log only so bring a pen.
Congratz to Pathfinder33 and TKWx3 for First to Find. The prize was a meal at Sonic.