Chips burn up too fast. Home Depot carries hickory, mesquite, apple and cherry chunks. Google "Char broil wood chunks".
I like apple and cherry with a bit of hickory. I'm sure there is a store close by the Vegas metro area.
Modded Brinkmann Gourmet. Basic UDS. Rescued 22.5" OTS. SJS Mini-WSM. Stubbs. B&B Oak Lump.
Cannondale 2009 F8 (for burning off all the great BBQ)