Photo Gallery: Bob Yapp Masonry Workshop 4/7

Debbie Kaspari removes old mortar from a brick wall as Bob Yapp teaches residents how to make masonry repairs on a downtown building on Saturday, Nov. 17, 2012 in Norman, Okla.  Yapp is a nationally recognized historic preservation expert who is leading a workshop on masonry repair.  Photo by Steve Sisney, The Oklahoman