2025-10-272025-10-271331https://openaccess.ircica.org/handle/123456789/4204Gregorian date: 1915/1916.Scale 1:50,000Print 1 col. mapKörfez-Kocaeli-TurkeyDerince-Kocaeli-TurkeyOttoman EmpireKocaeli-TurkeyMap22