Extreme zoom from Indiahoma Road
This extreme zoom (of the east face) is from a rise southeast of Indiahoma Road using a 58mm zoom lens. Keep in mind this capture is only one fifth (1/5) of the mountain. The close ridge is part of Phantom Mountain.
All I can say is: Twin Rocks is a BIG-BAD mountain.
There are much better snapshots along Indiahoma Road, but there are no shoulders.