 Postnik reported abundance of valuable sable and fish, significant population of native settlers and nomads as well as silver possessed by the Yukagirs; the voyevoda of Yakutsk responded with establishment of a permanent colony to exploit the opportunity.The Russians enforced taxation of natives through collection of yasak in sable furs and regularly trespassed their self-assumed rights; the natives evaded extortion by resettling to remote areas.Twice, in 1668 (Forsyth