Apollo, Pa., Armstrong Co, Dec. 1889. 1 map on 3 sheets : col. ; on sheets 64 x 54 cm.; Statement of responsibility: Sanborn-Perris Map Co., Limited. Partial cadastral map. Title from sheet 1. Copyright 1889 by the Sanborn-Perris Map Co. Limited."" Oriented with north to the upper right on some sheets. ""Dec. 1889."" Includes key, ""Specials"" index, sheet index map, notes, and text."". Scale approximately 1:600. 50 ft. to an in.