Ambridge and Economy, Beaver County, Pennsylvania, Oct. 1905. 1 map on 10 sheets : col. ; sheets 65 x 54 cm. Statement of responsibility: Sanborn Map Company. Cadastral map. Title from sheet 1. Oriented with north to the upper right on some sheets. October 1905."" Sheet 7, for ""French Point,"" is at a scale of 1:1,200. Includes sheet index map, street and ""Specials"" indexes, key, notes, and text."". Scale approximately 1:600. 50 ft. to an in. unless otherwise noted on individual sheets.