Masonry Magazine October 1965 Page. 29
October 1965
RK BECOMES NATION'S
s Co., Inc., York, Pa.; Harris-Building Units, Inc., Harrisburg. Aberdeen Products, Inc., Aber-Md.; Lincoln Stone, Inc., York; Valite, Inc., York; and Mason-on Sand & Gravel Co., Inc., Perry-Md.
According to Sipe, Wa