B -
I started a thread about this once. I think the snow reveals more than it obscures. When there are no man-made signs and signifiers to be seen (bunker sand, rough, closely mowed grrens) all I can make out are the contours -- the shapes big and small and how they relate to each other. If you slowly drive up to a course and start wandering around, the snow sure helps you see how much dirt was moved and whether or not the course truly fits its surrounds.