Celebrate the Sesquicentennial of the epic John Wesley Powell 1969 Expedition with this collectors item t-shirt.

The front of the t-shirt has the Powell Sesquicentennial logo on the upper left. The back image is the Glen Hopkinson painting, Into the Unknown.

The t-shirts are 6.0 oz pre-shrunk 100% Ultra® cotton. (Imported), double-needle stiched neckline, bottom hem and sleeves, Quarter-turned with tapered neck and shoulders.