China Historical GIS, Harvard University and Fudan University CC BY-NC 4.0 http://tgaz.fudan.edu.cn/tgaz/placename/hgr_550 Опушка SLOV_POLUNIN Опушка SLOV_POLUNIN Opushka SLOV_POLUNIN отчина отчина otchina feifdom 1785 4 1796 4 POINT point N 52.60643 E 41.48117 http://www.geonames.org/535784 Kotovsk, Tambov Oblast, Russia Шацкий уезд Shatskii uezd HGR http://babel.hathitrust.org/cgi/pt?id=uc1.b4583201;view=1up;seq=82