Fixing a blurred face in Blender

Hello FOlks,

I created a Bridge pillar this morning and , after UV mapping it I saw that some of the faces did’nt texture or were’nt selected somehow, I used the Project to View, I believe it’s called? How can I fix this ,? how do I select say that peticuliar face to UV map?

PIC: http://i731.photobucket.com/albums/ww317/jc577/Howtoselectaface.jpg

Thxs very much !

CJ