It is believed that these maps were replicated as the framework for preparation of Syusei maps on a scale of 1 to 200,000 by the Army as stated above, and taken over and carried to the United States after the World War II.
これは上記の陸軍による輯製20万分1図作成のための骨格基図として模写されたものが、第二次世界大戦後接収され米国に渡ったものと考えられる。