Japan anchorages on the coasts of Yezo Id, Netske anchorage 1:43,000, Hana bay 1:24,000, Hamanaka bay 1:70,000, Nemoro anchorage 1:18,200

Scales vary, chart of Yezo island, lights coloured, ungraduated, variation. No 50 in a folder compiled by J D Potter- see 298:8/3 for original list