, By DOUG COCHRAN Harrisonburg News-Record STANLEY (AP) - Pine Grove Hollow is losing a trade — and a tradition.For up to five generations, •the.people of this remote mountain community in eastern Page .County have made their living almost exclusively by shaping ►and building with I he stone that -so abundantly surrounds them. But times and building ways- change, and stone is giving wayto brick and wood.^ Since the early 1800s, the Pine•Grove mountaineers have mor-- tared stone to stone and built bouses, fireplaces, walls and bridges throughout Virginia.“At one time, everyone in the hollow seemed to be a stonemason,” recalls retired mason Charles Gray Sr.“Now they’re slim through here.”Out ot some 30 families now , Uving in Pine Grove, only foul* full-time stonemasons remain. Perhaps a half-dozen more hoi-yh