Relief shown by hachures. Insets: The Bosphorus (scale [ca. 1:380,160]) -- Candia or Crete (scale [ca. 1:380,160]). "Entered according to Act of Congress in the year 1855 ... " "No. 115." Probably issued in: Colton's general atlas ... New York : G. W. and C. B. Colton & Co., 1866. The firm of G. W. and C. G. Colton & Co. was established ca. 1865. cf. Tooley's dict. of mapmakers.