RE: WA valley quail
Try Soap Lake, the Indian Dan or the Colville Reservation. You' ll have to buy a Reservation license for Colville, but if Valley Quail are your quarry, it will be worth it. The big wildlife areas in the middle of the state (Colockum, Quilomene, LT Murray, Oak Creek) are all brutally steep, very dry and not for the faint of heart.
If you choose the Res, you may want to make sure you bring along a few pairs of dog boots...actually, that' s a good suggestion for just about anywhere. If you hunt before Nov. 15, watch out for rattlesnakes, as well.