I will even give you the final location. All you have to do is answer one simple question. What do you see at the posted coords?
1. A fire hydrant? The final is at N30 29.378 W97 40.798
2. A beautiful fountain? The final is at N30 29.369 W97 40.380
3. An ornate lamp post? The final is at N30 29.431 W97 29.361
4. A unique weather vane? The final is at N 30 29.344 W 097 40.422
Good luck!