Argh! (Just kidding, Marky; we've all either done that or come close at some point, I suspect).
There's also this:
The Two Towers, Book III, Chapter VIII, The Road to Isengard, p. 539
*Flips the additional reference to HB for more ammo*
Had both of these when you posted, good sir, but struggled (in vain?) to find a reference to valley and white wizard....
There's also this:
They were come to the feet of the Misty Mountains, and the long arms of Nan Curunír stretched down to meet them......'What do you think of that, Gandalf?' asked Aragorn. 'One would say that all the Wizard's Vale was burning.'
The Two Towers, Book III, Chapter VIII, The Road to Isengard, p. 539
*Flips the additional reference to HB for more ammo*
Had both of these when you posted, good sir, but struggled (in vain?) to find a reference to valley and white wizard....