Some 25 such maps are supposed to have been created during the land survey, but only seven are known to be extant today. Of those seven, six were taken to the United States at some point, but were returned to Okinawa in 2001 with the help of NPO Incorporated Ryukyu America Historical Research Society (''Ryûbei Rekishi Kenkyûkai''), and were given to the Okinawa Prefectural Museum in 2003. They have now been designated on the national level as [[Important Cultural Properties]]. | Some 25 such maps are supposed to have been created during the land survey, but only seven are known to be extant today. Of those seven, six were taken to the United States at some point, but were returned to Okinawa in 2001 with the help of NPO Incorporated Ryukyu America Historical Research Society (''Ryûbei Rekishi Kenkyûkai''), and were given to the Okinawa Prefectural Museum in 2003. They have now been designated on the national level as [[Important Cultural Properties]]. |