Front: Tionesta Dam, Control Tower, Tionesta, Pa. TIONESTA DAM 蒜 時 车= Back: "TICHNOR QUALITY VIEWS" REG. U. S. PAT. OFF. MADE ONLY BY TICHNOR BROS., INC., BOSTON, MASS. 79650 THOMAS, PHOTOGRAPHER & JOBBER. WARREN, PA,