I have been casually searching for more thrift stores near Provo and I finally found a list today. The Thrift Store Whore blog is a goldmine of information. Here are the stores I will probably check out soon. For the rest of the list look here.
ASSISTANCE LEAGUE OF SALT LAKE 801-484-3401
2060 E 3300 S
Salt Lake City, Utah 84109
ARC OF UTAH 801-364-5060
155 S 300 W
Salt Lake City, Utah 84101
CROSSROADS URBAN CENTER 801-359-8837
1385 Indiana Ave
Salt Lake City, Utah 84104
THE ARC OF UTAH 800-870-9311
Spanish Fork, Utah 84660
I also found a good resource of thrift stores near Salt Lake on the Yellow Pages site.
Can't wait to start more thrift store adventures!