The only good thing about San Angelo is that it is a reasonable distance from Big Bend and the Davis Mountains. There is some roped climbing out there. The Davis Mountains are better as the rock in Big Bend is very crumbly. Chuck Lohn would be the best person to contact for Davis Mountains rock. He's FA'd a bunch of stuff there.
"By the time he was 19, he had completed over 100 first ascents on rock routes throughout west Texas,"
There is nothing about his routes in West Texas in his book, (out of print for a while) so the only way to find out would be to contact him. Not sure if that is possible or not. He's been working over seas quite a bit.
Other than that, enjoy your drive to Reimer's Ranch State Park.
Palo Duro Canyon has some climbs too (4 hours) but there is nothing in print about the routes.
Get ready for a culture shock. San Angelo is way out in the middle of nowhere. Not much too do there.
We're in Mineral Wells climbing during the winter here and there. Let me know if you want to join us sometime. We also mountain bike quite frequently. Believe it or not, there is quite a bit of biking to do here.